Home / 63,140.73-87,134.22-34,460.61

Finding the Fourth Proportional to 63,140.73, 87,134.22 and 34,460.61

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Solution

The fourth proportional to 63,140.73, 87,134.22 and 34,460.61 is: 47,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.73 : 87,134.22 = 34,460.61 : x
  2. Step 2: Convert to fraction form
    63,140.73/87,134.22 = 34,460.61/x
  3. Step 3: Cross multiply
    63,140.73x = 87,134.22 × 34,460.61
  4. Step 4: Simplify right side
    63,140.73x = 3,002,698,373.07
  5. Step 5: Solve for x
    x = 3,002,698,373.07/63,140.73
  6. Step 6: Final answer
    x = 47,555.65

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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.