Home / 109,306.47-150,840.90-59,579.20

Finding the Fourth Proportional to 109,306.47, 150,840.90 and 59,579.20

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Solution

The fourth proportional to 109,306.47, 150,840.90 and 59,579.20 is: 82,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.47 : 150,840.90 = 59,579.20 : x
  2. Step 2: Convert to fraction form
    109,306.47/150,840.90 = 59,579.20/x
  3. Step 3: Cross multiply
    109,306.47x = 150,840.90 × 59,579.20
  4. Step 4: Simplify right side
    109,306.47x = 8,986,979,097.18
  5. Step 5: Solve for x
    x = 8,986,979,097.18/109,306.47
  6. Step 6: Final answer
    x = 82,218.18

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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.