Home / 59,935.40-89,903.10-30,444.20

Finding the Fourth Proportional to 59,935.40, 89,903.10 and 30,444.20

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Solution

The fourth proportional to 59,935.40, 89,903.10 and 30,444.20 is: 45,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,935.40 : 89,903.10 = 30,444.20 : x
  2. Step 2: Convert to fraction form
    59,935.40/89,903.10 = 30,444.20/x
  3. Step 3: Cross multiply
    59,935.40x = 89,903.10 × 30,444.20
  4. Step 4: Simplify right side
    59,935.40x = 2,737,027,957.02
  5. Step 5: Solve for x
    x = 2,737,027,957.02/59,935.40
  6. Step 6: Final answer
    x = 45,666.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.