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Finding the Fourth Proportional to 63,999.59, 88,319.49 and 35,705.29

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Solution

The fourth proportional to 63,999.59, 88,319.49 and 35,705.29 is: 49,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.59 : 88,319.49 = 35,705.29 : x
  2. Step 2: Convert to fraction form
    63,999.59/88,319.49 = 35,705.29/x
  3. Step 3: Cross multiply
    63,999.59x = 88,319.49 × 35,705.29
  4. Step 4: Simplify right side
    63,999.59x = 3,153,472,561.50
  5. Step 5: Solve for x
    x = 3,153,472,561.50/63,999.59
  6. Step 6: Final answer
    x = 49,273.32

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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.