Home / 109,701.24-151,387.82-59,400.12

Finding the Fourth Proportional to 109,701.24, 151,387.82 and 59,400.12

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Solution

The fourth proportional to 109,701.24, 151,387.82 and 59,400.12 is: 81,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,701.24 : 151,387.82 = 59,400.12 : x
  2. Step 2: Convert to fraction form
    109,701.24/151,387.82 = 59,400.12/x
  3. Step 3: Cross multiply
    109,701.24x = 151,387.82 × 59,400.12
  4. Step 4: Simplify right side
    109,701.24x = 8,992,454,674.54
  5. Step 5: Solve for x
    x = 8,992,454,674.54/109,701.24
  6. Step 6: Final answer
    x = 81,972.22

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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.