Home / 107,870.05-148,861.36-60,126.43

Finding the Fourth Proportional to 107,870.05, 148,861.36 and 60,126.43

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Solution

The fourth proportional to 107,870.05, 148,861.36 and 60,126.43 is: 82,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,870.05 : 148,861.36 = 60,126.43 : x
  2. Step 2: Convert to fraction form
    107,870.05/148,861.36 = 60,126.43/x
  3. Step 3: Cross multiply
    107,870.05x = 148,861.36 × 60,126.43
  4. Step 4: Simplify right side
    107,870.05x = 8,950,502,141.74
  5. Step 5: Solve for x
    x = 8,950,502,141.74/107,870.05
  6. Step 6: Final answer
    x = 82,974.86

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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.