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Finding the Fourth Proportional to 55,893.96, 77,169.06 and 34,695.72

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Solution

The fourth proportional to 55,893.96, 77,169.06 and 34,695.72 is: 47,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893.96 : 77,169.06 = 34,695.72 : x
  2. Step 2: Convert to fraction form
    55,893.96/77,169.06 = 34,695.72/x
  3. Step 3: Cross multiply
    55,893.96x = 77,169.06 × 34,695.72
  4. Step 4: Simplify right side
    55,893.96x = 2,677,436,098.42
  5. Step 5: Solve for x
    x = 2,677,436,098.42/55,893.96
  6. Step 6: Final answer
    x = 47,902.06

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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.