Home / 59,905.20-89,845.20-30,295.20

Finding the Fourth Proportional to 59,905.20, 89,845.20 and 30,295.20

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Solution

The fourth proportional to 59,905.20, 89,845.20 and 30,295.20 is: 45,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,905.20 : 89,845.20 = 30,295.20 : x
  2. Step 2: Convert to fraction form
    59,905.20/89,845.20 = 30,295.20/x
  3. Step 3: Cross multiply
    59,905.20x = 89,845.20 × 30,295.20
  4. Step 4: Simplify right side
    59,905.20x = 2,721,878,303.04
  5. Step 5: Solve for x
    x = 2,721,878,303.04/59,905.20
  6. Step 6: Final answer
    x = 45,436.43

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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.