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Finding the Fourth Proportional to 55,937.93, 83,906.90 and 52,516.49

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Solution

The fourth proportional to 55,937.93, 83,906.90 and 52,516.49 is: 78,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,937.93 : 83,906.90 = 52,516.49 : x
  2. Step 2: Convert to fraction form
    55,937.93/83,906.90 = 52,516.49/x
  3. Step 3: Cross multiply
    55,937.93x = 83,906.90 × 52,516.49
  4. Step 4: Simplify right side
    55,937.93x = 4,406,495,612.20
  5. Step 5: Solve for x
    x = 4,406,495,612.20/55,937.93
  6. Step 6: Final answer
    x = 78,774.74

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1.5x scale

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.