Home / 107,853.20-161,875.80-63,424.40

Finding the Fourth Proportional to 107,853.20, 161,875.80 and 63,424.40

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Solution

The fourth proportional to 107,853.20, 161,875.80 and 63,424.40 is: 95,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.20 : 161,875.80 = 63,424.40 : x
  2. Step 2: Convert to fraction form
    107,853.20/161,875.80 = 63,424.40/x
  3. Step 3: Cross multiply
    107,853.20x = 161,875.80 × 63,424.40
  4. Step 4: Simplify right side
    107,853.20x = 10,266,875,489.52
  5. Step 5: Solve for x
    x = 10,266,875,489.52/107,853.20
  6. Step 6: Final answer
    x = 95,193.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.