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Finding the Fourth Proportional to 63,999.78, 88,319.08 and 35,319.71

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Solution

The fourth proportional to 63,999.78, 88,319.08 and 35,319.71 is: 48,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.78 : 88,319.08 = 35,319.71 : x
  2. Step 2: Convert to fraction form
    63,999.78/88,319.08 = 35,319.71/x
  3. Step 3: Cross multiply
    63,999.78x = 88,319.08 × 35,319.71
  4. Step 4: Simplify right side
    63,999.78x = 3,119,403,674.87
  5. Step 5: Solve for x
    x = 3,119,403,674.87/63,999.78
  6. Step 6: Final answer
    x = 48,740.85

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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.