Home / 75,038.92-112,564.30-25,119.20

Finding the Fourth Proportional to 75,038.92, 112,564.30 and 25,119.20

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Solution

The fourth proportional to 75,038.92, 112,564.30 and 25,119.20 is: 37,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.92 : 112,564.30 = 25,119.20 : x
  2. Step 2: Convert to fraction form
    75,038.92/112,564.30 = 25,119.20/x
  3. Step 3: Cross multiply
    75,038.92x = 112,564.30 × 25,119.20
  4. Step 4: Simplify right side
    75,038.92x = 2,827,525,164.56
  5. Step 5: Solve for x
    x = 2,827,525,164.56/75,038.92
  6. Step 6: Final answer
    x = 37,680.78

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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.