Home / 83,476.61-115,350.49-60,776.21

Finding the Fourth Proportional to 83,476.61, 115,350.49 and 60,776.21

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Solution

The fourth proportional to 83,476.61, 115,350.49 and 60,776.21 is: 83,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.61 : 115,350.49 = 60,776.21 : x
  2. Step 2: Convert to fraction form
    83,476.61/115,350.49 = 60,776.21/x
  3. Step 3: Cross multiply
    83,476.61x = 115,350.49 × 60,776.21
  4. Step 4: Simplify right side
    83,476.61x = 7,010,565,103.06
  5. Step 5: Solve for x
    x = 7,010,565,103.06/83,476.61
  6. Step 6: Final answer
    x = 83,982.39

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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.