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Finding the Fourth Proportional to 63,759.83, 87,990.66 and 35,082.77

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Solution

The fourth proportional to 63,759.83, 87,990.66 and 35,082.77 is: 48,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,759.83 : 87,990.66 = 35,082.77 : x
  2. Step 2: Convert to fraction form
    63,759.83/87,990.66 = 35,082.77/x
  3. Step 3: Cross multiply
    63,759.83x = 87,990.66 × 35,082.77
  4. Step 4: Simplify right side
    63,759.83x = 3,086,955,646.97
  5. Step 5: Solve for x
    x = 3,086,955,646.97/63,759.83
  6. Step 6: Final answer
    x = 48,415.37

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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.