Home / 75,818.90-113,717.55-25,901.30

Finding the Fourth Proportional to 75,818.90, 113,717.55 and 25,901.30

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Solution

The fourth proportional to 75,818.90, 113,717.55 and 25,901.30 is: 38,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.90 : 113,717.55 = 25,901.30 : x
  2. Step 2: Convert to fraction form
    75,818.90/113,717.55 = 25,901.30/x
  3. Step 3: Cross multiply
    75,818.90x = 113,717.55 × 25,901.30
  4. Step 4: Simplify right side
    75,818.90x = 2,945,432,377.82
  5. Step 5: Solve for x
    x = 2,945,432,377.82/75,818.90
  6. Step 6: Final answer
    x = 38,848.26

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1.5x scale

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.