Home / 89,871.57-124,023.51-49,588.20

Finding the Fourth Proportional to 89,871.57, 124,023.51 and 49,588.20

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Solution

The fourth proportional to 89,871.57, 124,023.51 and 49,588.20 is: 68,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,871.57 : 124,023.51 = 49,588.20 : x
  2. Step 2: Convert to fraction form
    89,871.57/124,023.51 = 49,588.20/x
  3. Step 3: Cross multiply
    89,871.57x = 124,023.51 × 49,588.20
  4. Step 4: Simplify right side
    89,871.57x = 6,150,102,618.58
  5. Step 5: Solve for x
    x = 6,150,102,618.58/89,871.57
  6. Step 6: Final answer
    x = 68,432.13

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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.