Home / 99,935.24-137,915.97-57,500.24

Finding the Fourth Proportional to 99,935.24, 137,915.97 and 57,500.24

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Solution

The fourth proportional to 99,935.24, 137,915.97 and 57,500.24 is: 79,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.24 : 137,915.97 = 57,500.24 : x
  2. Step 2: Convert to fraction form
    99,935.24/137,915.97 = 57,500.24/x
  3. Step 3: Cross multiply
    99,935.24x = 137,915.97 × 57,500.24
  4. Step 4: Simplify right side
    99,935.24x = 7,930,201,374.83
  5. Step 5: Solve for x
    x = 7,930,201,374.83/99,935.24
  6. Step 6: Final answer
    x = 79,353.40

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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.