Home / 60,247.68-90,372.72-42,405.36

Finding the Fourth Proportional to 60,247.68, 90,372.72 and 42,405.36

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Solution

The fourth proportional to 60,247.68, 90,372.72 and 42,405.36 is: 63,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,247.68 : 90,372.72 = 42,405.36 : x
  2. Step 2: Convert to fraction form
    60,247.68/90,372.72 = 42,405.36/x
  3. Step 3: Cross multiply
    60,247.68x = 90,372.72 × 42,405.36
  4. Step 4: Simplify right side
    60,247.68x = 3,832,287,725.78
  5. Step 5: Solve for x
    x = 3,832,287,725.78/60,247.68
  6. Step 6: Final answer
    x = 63,608.88

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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.