Home / 90,676.44-125,148.33-75,545.10

Finding the Fourth Proportional to 90,676.44, 125,148.33 and 75,545.10

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Solution

The fourth proportional to 90,676.44, 125,148.33 and 75,545.10 is: 104,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.44 : 125,148.33 = 75,545.10 : x
  2. Step 2: Convert to fraction form
    90,676.44/125,148.33 = 75,545.10/x
  3. Step 3: Cross multiply
    90,676.44x = 125,148.33 × 75,545.10
  4. Step 4: Simplify right side
    90,676.44x = 9,454,343,104.68
  5. Step 5: Solve for x
    x = 9,454,343,104.68/90,676.44
  6. Step 6: Final answer
    x = 104,264.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.