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Finding the Fourth Proportional to 63,158.08, 87,152 and 34,862

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Solution

The fourth proportional to 63,158.08, 87,152 and 34,862 is: 48,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.08 : 87,152 = 34,862 : x
  2. Step 2: Convert to fraction form
    63,158.08/87,152 = 34,862/x
  3. Step 3: Cross multiply
    63,158.08x = 87,152 × 34,862
  4. Step 4: Simplify right side
    63,158.08x = 3,038,293,024
  5. Step 5: Solve for x
    x = 3,038,293,024/63,158.08
  6. Step 6: Final answer
    x = 48,106.17

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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.