Home / 75,291.66-112,947.89-25,386.03

Finding the Fourth Proportional to 75,291.66, 112,947.89 and 25,386.03

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Solution

The fourth proportional to 75,291.66, 112,947.89 and 25,386.03 is: 38,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.66 : 112,947.89 = 25,386.03 : x
  2. Step 2: Convert to fraction form
    75,291.66/112,947.89 = 25,386.03/x
  3. Step 3: Cross multiply
    75,291.66x = 112,947.89 × 25,386.03
  4. Step 4: Simplify right side
    75,291.66x = 2,867,298,397.05
  5. Step 5: Solve for x
    x = 2,867,298,397.05/75,291.66
  6. Step 6: Final answer
    x = 38,082.55

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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.