Home / 52,169.49-78,079.28-42,809.13

Finding the Fourth Proportional to 52,169.49, 78,079.28 and 42,809.13

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Solution

The fourth proportional to 52,169.49, 78,079.28 and 42,809.13 is: 64,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,169.49 : 78,079.28 = 42,809.13 : x
  2. Step 2: Convert to fraction form
    52,169.49/78,079.28 = 42,809.13/x
  3. Step 3: Cross multiply
    52,169.49x = 78,079.28 × 42,809.13
  4. Step 4: Simplify right side
    52,169.49x = 3,342,505,833.78
  5. Step 5: Solve for x
    x = 3,342,505,833.78/52,169.49
  6. Step 6: Final answer
    x = 64,070.13

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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.