Home / 107,885.08-148,881.92-60,139.20

Finding the Fourth Proportional to 107,885.08, 148,881.92 and 60,139.20

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Solution

The fourth proportional to 107,885.08, 148,881.92 and 60,139.20 is: 82,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,885.08 : 148,881.92 = 60,139.20 : x
  2. Step 2: Convert to fraction form
    107,885.08/148,881.92 = 60,139.20/x
  3. Step 3: Cross multiply
    107,885.08x = 148,881.92 × 60,139.20
  4. Step 4: Simplify right side
    107,885.08x = 8,953,639,563.26
  5. Step 5: Solve for x
    x = 8,953,639,563.26/107,885.08
  6. Step 6: Final answer
    x = 82,992.38

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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.