Home / 63,312.56-87,371.91-34,631.65

Finding the Fourth Proportional to 63,312.56, 87,371.91 and 34,631.65

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Solution

The fourth proportional to 63,312.56, 87,371.91 and 34,631.65 is: 47,791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,312.56 : 87,371.91 = 34,631.65 : x
  2. Step 2: Convert to fraction form
    63,312.56/87,371.91 = 34,631.65/x
  3. Step 3: Cross multiply
    63,312.56x = 87,371.91 × 34,631.65
  4. Step 4: Simplify right side
    63,312.56x = 3,025,833,406.95
  5. Step 5: Solve for x
    x = 3,025,833,406.95/63,312.56
  6. Step 6: Final answer
    x = 47,791.99

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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.