Home / 107,240.18-147,979.44-59,481.56

Finding the Fourth Proportional to 107,240.18, 147,979.44 and 59,481.56

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Solution

The fourth proportional to 107,240.18, 147,979.44 and 59,481.56 is: 82,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,240.18 : 147,979.44 = 59,481.56 : x
  2. Step 2: Convert to fraction form
    107,240.18/147,979.44 = 59,481.56/x
  3. Step 3: Cross multiply
    107,240.18x = 147,979.44 × 59,481.56
  4. Step 4: Simplify right side
    107,240.18x = 8,802,047,939.13
  5. Step 5: Solve for x
    x = 8,802,047,939.13/107,240.18
  6. Step 6: Final answer
    x = 82,077.89

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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.