Home / 107,291.10-148,027.42-61,963.08

Finding the Fourth Proportional to 107,291.10, 148,027.42 and 61,963.08

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Solution

The fourth proportional to 107,291.10, 148,027.42 and 61,963.08 is: 85,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,291.10 : 148,027.42 = 61,963.08 : x
  2. Step 2: Convert to fraction form
    107,291.10/148,027.42 = 61,963.08/x
  3. Step 3: Cross multiply
    107,291.10x = 148,027.42 × 61,963.08
  4. Step 4: Simplify right side
    107,291.10x = 9,172,234,867.65
  5. Step 5: Solve for x
    x = 9,172,234,867.65/107,291.10
  6. Step 6: Final answer
    x = 85,489.24

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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.