Home / 87,372.32-120,573.52-47,628.32

Finding the Fourth Proportional to 87,372.32, 120,573.52 and 47,628.32

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Solution

The fourth proportional to 87,372.32, 120,573.52 and 47,628.32 is: 65,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.32 : 120,573.52 = 47,628.32 : x
  2. Step 2: Convert to fraction form
    87,372.32/120,573.52 = 47,628.32/x
  3. Step 3: Cross multiply
    87,372.32x = 120,573.52 × 47,628.32
  4. Step 4: Simplify right side
    87,372.32x = 5,742,714,194.09
  5. Step 5: Solve for x
    x = 5,742,714,194.09/87,372.32
  6. Step 6: Final answer
    x = 65,726.93

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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.