Home / 107,515.86-148,391.28-62,187.54

Finding the Fourth Proportional to 107,515.86, 148,391.28 and 62,187.54

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Solution

The fourth proportional to 107,515.86, 148,391.28 and 62,187.54 is: 85,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.86 : 148,391.28 = 62,187.54 : x
  2. Step 2: Convert to fraction form
    107,515.86/148,391.28 = 62,187.54/x
  3. Step 3: Cross multiply
    107,515.86x = 148,391.28 × 62,187.54
  4. Step 4: Simplify right side
    107,515.86x = 9,228,088,660.65
  5. Step 5: Solve for x
    x = 9,228,088,660.65/107,515.86
  6. Step 6: Final answer
    x = 85,830.02

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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.