Home / 107,718.96-148,648.68-59,970.72

Finding the Fourth Proportional to 107,718.96, 148,648.68 and 59,970.72

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Solution

The fourth proportional to 107,718.96, 148,648.68 and 59,970.72 is: 82,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,718.96 : 148,648.68 = 59,970.72 : x
  2. Step 2: Convert to fraction form
    107,718.96/148,648.68 = 59,970.72/x
  3. Step 3: Cross multiply
    107,718.96x = 148,648.68 × 59,970.72
  4. Step 4: Simplify right side
    107,718.96x = 8,914,568,366.65
  5. Step 5: Solve for x
    x = 8,914,568,366.65/107,718.96
  6. Step 6: Final answer
    x = 82,757.65

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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.