Home / 107,475.04-161,239.88-63,139.28

Finding the Fourth Proportional to 107,475.04, 161,239.88 and 63,139.28

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Solution

The fourth proportional to 107,475.04, 161,239.88 and 63,139.28 is: 94,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,475.04 : 161,239.88 = 63,139.28 : x
  2. Step 2: Convert to fraction form
    107,475.04/161,239.88 = 63,139.28/x
  3. Step 3: Cross multiply
    107,475.04x = 161,239.88 × 63,139.28
  4. Step 4: Simplify right side
    107,475.04x = 10,180,569,930.49
  5. Step 5: Solve for x
    x = 10,180,569,930.49/107,475.04
  6. Step 6: Final answer
    x = 94,724.97

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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.