Home / 107,735.42-148,687.91-61,811.87

Finding the Fourth Proportional to 107,735.42, 148,687.91 and 61,811.87

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Solution

The fourth proportional to 107,735.42, 148,687.91 and 61,811.87 is: 85,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,735.42 : 148,687.91 = 61,811.87 : x
  2. Step 2: Convert to fraction form
    107,735.42/148,687.91 = 61,811.87/x
  3. Step 3: Cross multiply
    107,735.42x = 148,687.91 × 61,811.87
  4. Step 4: Simplify right side
    107,735.42x = 9,190,676,710.99
  5. Step 5: Solve for x
    x = 9,190,676,710.99/107,735.42
  6. Step 6: Final answer
    x = 85,307.85

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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.