Home / 63,882.02-87,518.68-61,487.75

Finding the Fourth Proportional to 63,882.02, 87,518.68 and 61,487.75

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Solution

The fourth proportional to 63,882.02, 87,518.68 and 61,487.75 is: 84,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,882.02 : 87,518.68 = 61,487.75 : x
  2. Step 2: Convert to fraction form
    63,882.02/87,518.68 = 61,487.75/x
  3. Step 3: Cross multiply
    63,882.02x = 87,518.68 × 61,487.75
  4. Step 4: Simplify right side
    63,882.02x = 5,381,326,124.86
  5. Step 5: Solve for x
    x = 5,381,326,124.86/63,882.02
  6. Step 6: Final answer
    x = 84,238.51

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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.