Home / 87,822.60-121,195.05-47,536.32

Finding the Fourth Proportional to 87,822.60, 121,195.05 and 47,536.32

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Solution

The fourth proportional to 87,822.60, 121,195.05 and 47,536.32 is: 65,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.60 : 121,195.05 = 47,536.32 : x
  2. Step 2: Convert to fraction form
    87,822.60/121,195.05 = 47,536.32/x
  3. Step 3: Cross multiply
    87,822.60x = 121,195.05 × 47,536.32
  4. Step 4: Simplify right side
    87,822.60x = 5,761,166,679.22
  5. Step 5: Solve for x
    x = 5,761,166,679.22/87,822.60
  6. Step 6: Final answer
    x = 65,600.05

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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.