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Finding the Fourth Proportional to 63,643.74, 95,290.65 and 48,013.98

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Solution

The fourth proportional to 63,643.74, 95,290.65 and 48,013.98 is: 71,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.74 : 95,290.65 = 48,013.98 : x
  2. Step 2: Convert to fraction form
    63,643.74/95,290.65 = 48,013.98/x
  3. Step 3: Cross multiply
    63,643.74x = 95,290.65 × 48,013.98
  4. Step 4: Simplify right side
    63,643.74x = 4,575,283,363.29
  5. Step 5: Solve for x
    x = 4,575,283,363.29/63,643.74
  6. Step 6: Final answer
    x = 71,888.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.