Home / 63,737.08-87,941.10-38,581.72

Finding the Fourth Proportional to 63,737.08, 87,941.10 and 38,581.72

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Solution

The fourth proportional to 63,737.08, 87,941.10 and 38,581.72 is: 53,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,737.08 : 87,941.10 = 38,581.72 : x
  2. Step 2: Convert to fraction form
    63,737.08/87,941.10 = 38,581.72/x
  3. Step 3: Cross multiply
    63,737.08x = 87,941.10 × 38,581.72
  4. Step 4: Simplify right side
    63,737.08x = 3,392,918,896.69
  5. Step 5: Solve for x
    x = 3,392,918,896.69/63,737.08
  6. Step 6: Final answer
    x = 53,233.05

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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.