Home / 87,369.32-120,569.38-47,625.32

Finding the Fourth Proportional to 87,369.32, 120,569.38 and 47,625.32

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Solution

The fourth proportional to 87,369.32, 120,569.38 and 47,625.32 is: 65,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369.32 : 120,569.38 = 47,625.32 : x
  2. Step 2: Convert to fraction form
    87,369.32/120,569.38 = 47,625.32/x
  3. Step 3: Cross multiply
    87,369.32x = 120,569.38 × 47,625.32
  4. Step 4: Simplify right side
    87,369.32x = 5,742,155,304.70
  5. Step 5: Solve for x
    x = 5,742,155,304.70/87,369.32
  6. Step 6: Final answer
    x = 65,722.79

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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.