Home / 83,755.48-115,583.04-45,515.35

Finding the Fourth Proportional to 83,755.48, 115,583.04 and 45,515.35

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Solution

The fourth proportional to 83,755.48, 115,583.04 and 45,515.35 is: 62,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,755.48 : 115,583.04 = 45,515.35 : x
  2. Step 2: Convert to fraction form
    83,755.48/115,583.04 = 45,515.35/x
  3. Step 3: Cross multiply
    83,755.48x = 115,583.04 × 45,515.35
  4. Step 4: Simplify right side
    83,755.48x = 5,260,801,714.17
  5. Step 5: Solve for x
    x = 5,260,801,714.17/83,755.48
  6. Step 6: Final answer
    x = 62,811.43

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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.