Home / 99,753.54-137,589.30-59,436.24

Finding the Fourth Proportional to 99,753.54, 137,589.30 and 59,436.24

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Solution

The fourth proportional to 99,753.54, 137,589.30 and 59,436.24 is: 81,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,753.54 : 137,589.30 = 59,436.24 : x
  2. Step 2: Convert to fraction form
    99,753.54/137,589.30 = 59,436.24/x
  3. Step 3: Cross multiply
    99,753.54x = 137,589.30 × 59,436.24
  4. Step 4: Simplify right side
    99,753.54x = 8,177,790,656.23
  5. Step 5: Solve for x
    x = 8,177,790,656.23/99,753.54
  6. Step 6: Final answer
    x = 81,979.95

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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.