Home / 109,306.10-150,836.90-61,562.28

Finding the Fourth Proportional to 109,306.10, 150,836.90 and 61,562.28

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Solution

The fourth proportional to 109,306.10, 150,836.90 and 61,562.28 is: 84,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.10 : 150,836.90 = 61,562.28 : x
  2. Step 2: Convert to fraction form
    109,306.10/150,836.90 = 61,562.28/x
  3. Step 3: Cross multiply
    109,306.10x = 150,836.90 × 61,562.28
  4. Step 4: Simplify right side
    109,306.10x = 9,285,863,472.13
  5. Step 5: Solve for x
    x = 9,285,863,472.13/109,306.10
  6. Step 6: Final answer
    x = 84,952.84

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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.