Home / 63,881.27-87,517.65-61,487.00

Finding the Fourth Proportional to 63,881.27, 87,517.65 and 61,487.00

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Solution

The fourth proportional to 63,881.27, 87,517.65 and 61,487.00 is: 84,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,881.27 : 87,517.65 = 61,487.00 : x
  2. Step 2: Convert to fraction form
    63,881.27/87,517.65 = 61,487.00/x
  3. Step 3: Cross multiply
    63,881.27x = 87,517.65 × 61,487.00
  4. Step 4: Simplify right side
    63,881.27x = 5,381,197,465.96
  5. Step 5: Solve for x
    x = 5,381,197,465.96/63,881.27
  6. Step 6: Final answer
    x = 84,237.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.