Home / 83,724.46-115,539.29-45,483.70

Finding the Fourth Proportional to 83,724.46, 115,539.29 and 45,483.70

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Solution

The fourth proportional to 83,724.46, 115,539.29 and 45,483.70 is: 62,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,724.46 : 115,539.29 = 45,483.70 : x
  2. Step 2: Convert to fraction form
    83,724.46/115,539.29 = 45,483.70/x
  3. Step 3: Cross multiply
    83,724.46x = 115,539.29 × 45,483.70
  4. Step 4: Simplify right side
    83,724.46x = 5,255,154,404.57
  5. Step 5: Solve for x
    x = 5,255,154,404.57/83,724.46
  6. Step 6: Final answer
    x = 62,767.25

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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.