Home / 87,371.32-120,572.14-47,627.32

Finding the Fourth Proportional to 87,371.32, 120,572.14 and 47,627.32

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Solution

The fourth proportional to 87,371.32, 120,572.14 and 47,627.32 is: 65,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.32 : 120,572.14 = 47,627.32 : x
  2. Step 2: Convert to fraction form
    87,371.32/120,572.14 = 47,627.32/x
  3. Step 3: Cross multiply
    87,371.32x = 120,572.14 × 47,627.32
  4. Step 4: Simplify right side
    87,371.32x = 5,742,527,894.86
  5. Step 5: Solve for x
    x = 5,742,527,894.86/87,371.32
  6. Step 6: Final answer
    x = 65,725.55

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1.5x scale

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.