Home / 107,780.31-148,740.53-62,458.38

Finding the Fourth Proportional to 107,780.31, 148,740.53 and 62,458.38

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Solution

The fourth proportional to 107,780.31, 148,740.53 and 62,458.38 is: 86,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.31 : 148,740.53 = 62,458.38 : x
  2. Step 2: Convert to fraction form
    107,780.31/148,740.53 = 62,458.38/x
  3. Step 3: Cross multiply
    107,780.31x = 148,740.53 × 62,458.38
  4. Step 4: Simplify right side
    107,780.31x = 9,290,092,328.44
  5. Step 5: Solve for x
    x = 9,290,092,328.44/107,780.31
  6. Step 6: Final answer
    x = 86,194.71

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1.5x scale

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.