Home / 65,902.30-98,853.45-30,363.55

Finding the Fourth Proportional to 65,902.30, 98,853.45 and 30,363.55

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Solution

The fourth proportional to 65,902.30, 98,853.45 and 30,363.55 is: 45,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,902.30 : 98,853.45 = 30,363.55 : x
  2. Step 2: Convert to fraction form
    65,902.30/98,853.45 = 30,363.55/x
  3. Step 3: Cross multiply
    65,902.30x = 98,853.45 × 30,363.55
  4. Step 4: Simplify right side
    65,902.30x = 3,001,541,671.75
  5. Step 5: Solve for x
    x = 3,001,541,671.75/65,902.30
  6. Step 6: Final answer
    x = 45,545.33

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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.