Home / 87,822.79-121,195.10-47,537.24

Finding the Fourth Proportional to 87,822.79, 121,195.10 and 47,537.24

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Solution

The fourth proportional to 87,822.79, 121,195.10 and 47,537.24 is: 65,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.79 : 121,195.10 = 47,537.24 : x
  2. Step 2: Convert to fraction form
    87,822.79/121,195.10 = 47,537.24/x
  3. Step 3: Cross multiply
    87,822.79x = 121,195.10 × 47,537.24
  4. Step 4: Simplify right side
    87,822.79x = 5,761,280,068.39
  5. Step 5: Solve for x
    x = 5,761,280,068.39/87,822.79
  6. Step 6: Final answer
    x = 65,601.20

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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.