Home / 48,135.39-72,142.88-23,168.76

Finding the Fourth Proportional to 48,135.39, 72,142.88 and 23,168.76

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Solution

The fourth proportional to 48,135.39, 72,142.88 and 23,168.76 is: 34,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.39 : 72,142.88 = 23,168.76 : x
  2. Step 2: Convert to fraction form
    48,135.39/72,142.88 = 23,168.76/x
  3. Step 3: Cross multiply
    48,135.39x = 72,142.88 × 23,168.76
  4. Step 4: Simplify right side
    48,135.39x = 1,671,460,956.59
  5. Step 5: Solve for x
    x = 1,671,460,956.59/48,135.39
  6. Step 6: Final answer
    x = 34,724.16

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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.