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Finding the Fourth Proportional to 63,158.63, 87,158.93 and 34,864.34

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Solution

The fourth proportional to 63,158.63, 87,158.93 and 34,864.34 is: 48,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.63 : 87,158.93 = 34,864.34 : x
  2. Step 2: Convert to fraction form
    63,158.63/87,158.93 = 34,864.34/x
  3. Step 3: Cross multiply
    63,158.63x = 87,158.93 × 34,864.34
  4. Step 4: Simplify right side
    63,158.63x = 3,038,737,959.44
  5. Step 5: Solve for x
    x = 3,038,737,959.44/63,158.63
  6. Step 6: Final answer
    x = 48,112.79

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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.