Home / 94,990.29-131,029.47-62,725.20

Finding the Fourth Proportional to 94,990.29, 131,029.47 and 62,725.20

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Solution

The fourth proportional to 94,990.29, 131,029.47 and 62,725.20 is: 86,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,990.29 : 131,029.47 = 62,725.20 : x
  2. Step 2: Convert to fraction form
    94,990.29/131,029.47 = 62,725.20/x
  3. Step 3: Cross multiply
    94,990.29x = 131,029.47 × 62,725.20
  4. Step 4: Simplify right side
    94,990.29x = 8,218,849,711.64
  5. Step 5: Solve for x
    x = 8,218,849,711.64/94,990.29
  6. Step 6: Final answer
    x = 86,523.05

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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.