Home / 107,865.12-148,849.74-60,116.16

Finding the Fourth Proportional to 107,865.12, 148,849.74 and 60,116.16

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Solution

The fourth proportional to 107,865.12, 148,849.74 and 60,116.16 is: 82,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.12 : 148,849.74 = 60,116.16 : x
  2. Step 2: Convert to fraction form
    107,865.12/148,849.74 = 60,116.16/x
  3. Step 3: Cross multiply
    107,865.12x = 148,849.74 × 60,116.16
  4. Step 4: Simplify right side
    107,865.12x = 8,948,274,785.80
  5. Step 5: Solve for x
    x = 8,948,274,785.80/107,865.12
  6. Step 6: Final answer
    x = 82,958.00

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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.