Home / 89,974.84-124,140.24-51,732.28

Finding the Fourth Proportional to 89,974.84, 124,140.24 and 51,732.28

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Solution

The fourth proportional to 89,974.84, 124,140.24 and 51,732.28 is: 71,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.84 : 124,140.24 = 51,732.28 : x
  2. Step 2: Convert to fraction form
    89,974.84/124,140.24 = 51,732.28/x
  3. Step 3: Cross multiply
    89,974.84x = 124,140.24 × 51,732.28
  4. Step 4: Simplify right side
    89,974.84x = 6,422,057,654.95
  5. Step 5: Solve for x
    x = 6,422,057,654.95/89,974.84
  6. Step 6: Final answer
    x = 71,376.15

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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.