Home / 60,329.40-90,520.02-42,911.16

Finding the Fourth Proportional to 60,329.40, 90,520.02 and 42,911.16

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Solution

The fourth proportional to 60,329.40, 90,520.02 and 42,911.16 is: 64,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,329.40 : 90,520.02 = 42,911.16 : x
  2. Step 2: Convert to fraction form
    60,329.40/90,520.02 = 42,911.16/x
  3. Step 3: Cross multiply
    60,329.40x = 90,520.02 × 42,911.16
  4. Step 4: Simplify right side
    60,329.40x = 3,884,319,061.42
  5. Step 5: Solve for x
    x = 3,884,319,061.42/60,329.40
  6. Step 6: Final answer
    x = 64,385.18

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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.