Home / 107,317.76-148,105.40-61,997.66

Finding the Fourth Proportional to 107,317.76, 148,105.40 and 61,997.66

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Solution

The fourth proportional to 107,317.76, 148,105.40 and 61,997.66 is: 85,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,317.76 : 148,105.40 = 61,997.66 : x
  2. Step 2: Convert to fraction form
    107,317.76/148,105.40 = 61,997.66/x
  3. Step 3: Cross multiply
    107,317.76x = 148,105.40 × 61,997.66
  4. Step 4: Simplify right side
    107,317.76x = 9,182,187,182.85
  5. Step 5: Solve for x
    x = 9,182,187,182.85/107,317.76
  6. Step 6: Final answer
    x = 85,560.75

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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.