Home / 107,722.35-161,609.16-54,283.02

Finding the Fourth Proportional to 107,722.35, 161,609.16 and 54,283.02

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Solution

The fourth proportional to 107,722.35, 161,609.16 and 54,283.02 is: 81,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,722.35 : 161,609.16 = 54,283.02 : x
  2. Step 2: Convert to fraction form
    107,722.35/161,609.16 = 54,283.02/x
  3. Step 3: Cross multiply
    107,722.35x = 161,609.16 × 54,283.02
  4. Step 4: Simplify right side
    107,722.35x = 8,772,633,264.46
  5. Step 5: Solve for x
    x = 8,772,633,264.46/107,722.35
  6. Step 6: Final answer
    x = 81,437.45

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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.