Home / 107,221.56-147,960.54-59,470.68

Finding the Fourth Proportional to 107,221.56, 147,960.54 and 59,470.68

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Solution

The fourth proportional to 107,221.56, 147,960.54 and 59,470.68 is: 82,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,221.56 : 147,960.54 = 59,470.68 : x
  2. Step 2: Convert to fraction form
    107,221.56/147,960.54 = 59,470.68/x
  3. Step 3: Cross multiply
    107,221.56x = 147,960.54 × 59,470.68
  4. Step 4: Simplify right side
    107,221.56x = 8,799,313,926.97
  5. Step 5: Solve for x
    x = 8,799,313,926.97/107,221.56
  6. Step 6: Final answer
    x = 82,066.65

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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.