Home / 87,537.28-120,802.88-47,793.28

Finding the Fourth Proportional to 87,537.28, 120,802.88 and 47,793.28

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Solution

The fourth proportional to 87,537.28, 120,802.88 and 47,793.28 is: 65,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.28 : 120,802.88 = 47,793.28 : x
  2. Step 2: Convert to fraction form
    87,537.28/120,802.88 = 47,793.28/x
  3. Step 3: Cross multiply
    87,537.28x = 120,802.88 × 47,793.28
  4. Step 4: Simplify right side
    87,537.28x = 5,773,565,868.65
  5. Step 5: Solve for x
    x = 5,773,565,868.65/87,537.28
  6. Step 6: Final answer
    x = 65,955.51

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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.