Home / 90,537.25-124,935.54-50,251.03

Finding the Fourth Proportional to 90,537.25, 124,935.54 and 50,251.03

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Solution

The fourth proportional to 90,537.25, 124,935.54 and 50,251.03 is: 69,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,537.25 : 124,935.54 = 50,251.03 : x
  2. Step 2: Convert to fraction form
    90,537.25/124,935.54 = 50,251.03/x
  3. Step 3: Cross multiply
    90,537.25x = 124,935.54 × 50,251.03
  4. Step 4: Simplify right side
    90,537.25x = 6,278,139,568.61
  5. Step 5: Solve for x
    x = 6,278,139,568.61/90,537.25
  6. Step 6: Final answer
    x = 69,343.17

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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.