Home / 107,319.27-148,107.48-61,999.14

Finding the Fourth Proportional to 107,319.27, 148,107.48 and 61,999.14

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Solution

The fourth proportional to 107,319.27, 148,107.48 and 61,999.14 is: 85,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.27 : 148,107.48 = 61,999.14 : x
  2. Step 2: Convert to fraction form
    107,319.27/148,107.48 = 61,999.14/x
  3. Step 3: Cross multiply
    107,319.27x = 148,107.48 × 61,999.14
  4. Step 4: Simplify right side
    107,319.27x = 9,182,536,387.57
  5. Step 5: Solve for x
    x = 9,182,536,387.57/107,319.27
  6. Step 6: Final answer
    x = 85,562.79

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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.