Home / 90,529.05-124,930.14-50,242.83

Finding the Fourth Proportional to 90,529.05, 124,930.14 and 50,242.83

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Solution

The fourth proportional to 90,529.05, 124,930.14 and 50,242.83 is: 69,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.05 : 124,930.14 = 50,242.83 : x
  2. Step 2: Convert to fraction form
    90,529.05/124,930.14 = 50,242.83/x
  3. Step 3: Cross multiply
    90,529.05x = 124,930.14 × 50,242.83
  4. Step 4: Simplify right side
    90,529.05x = 6,276,843,785.90
  5. Step 5: Solve for x
    x = 6,276,843,785.90/90,529.05
  6. Step 6: Final answer
    x = 69,335.13

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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.