Home / 83,750.02-115,565.32-47,937.90

Finding the Fourth Proportional to 83,750.02, 115,565.32 and 47,937.90

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Solution

The fourth proportional to 83,750.02, 115,565.32 and 47,937.90 is: 66,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,750.02 : 115,565.32 = 47,937.90 : x
  2. Step 2: Convert to fraction form
    83,750.02/115,565.32 = 47,937.90/x
  3. Step 3: Cross multiply
    83,750.02x = 115,565.32 × 47,937.90
  4. Step 4: Simplify right side
    83,750.02x = 5,539,958,753.63
  5. Step 5: Solve for x
    x = 5,539,958,753.63/83,750.02
  6. Step 6: Final answer
    x = 66,148.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.