Home / 63,931.16-88,262.80-56,837.95

Finding the Fourth Proportional to 63,931.16, 88,262.80 and 56,837.95

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Solution

The fourth proportional to 63,931.16, 88,262.80 and 56,837.95 is: 78,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931.16 : 88,262.80 = 56,837.95 : x
  2. Step 2: Convert to fraction form
    63,931.16/88,262.80 = 56,837.95/x
  3. Step 3: Cross multiply
    63,931.16x = 88,262.80 × 56,837.95
  4. Step 4: Simplify right side
    63,931.16x = 5,016,676,613.26
  5. Step 5: Solve for x
    x = 5,016,676,613.26/63,931.16
  6. Step 6: Final answer
    x = 78,469.98

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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.