Home / 63,930.06-88,279.20-40,097.70

Finding the Fourth Proportional to 63,930.06, 88,279.20 and 40,097.70

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Solution

The fourth proportional to 63,930.06, 88,279.20 and 40,097.70 is: 55,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.06 : 88,279.20 = 40,097.70 : x
  2. Step 2: Convert to fraction form
    63,930.06/88,279.20 = 40,097.70/x
  3. Step 3: Cross multiply
    63,930.06x = 88,279.20 × 40,097.70
  4. Step 4: Simplify right side
    63,930.06x = 3,539,792,877.84
  5. Step 5: Solve for x
    x = 3,539,792,877.84/63,930.06
  6. Step 6: Final answer
    x = 55,369.77

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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.