Home / 107,790.89-148,741.76-60,043.20

Finding the Fourth Proportional to 107,790.89, 148,741.76 and 60,043.20

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Solution

The fourth proportional to 107,790.89, 148,741.76 and 60,043.20 is: 82,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790.89 : 148,741.76 = 60,043.20 : x
  2. Step 2: Convert to fraction form
    107,790.89/148,741.76 = 60,043.20/x
  3. Step 3: Cross multiply
    107,790.89x = 148,741.76 × 60,043.20
  4. Step 4: Simplify right side
    107,790.89x = 8,930,930,943.82
  5. Step 5: Solve for x
    x = 8,930,930,943.82/107,790.89
  6. Step 6: Final answer
    x = 82,854.23

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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.