Home / 70,112.25-96,755.38-38,281.55

Finding the Fourth Proportional to 70,112.25, 96,755.38 and 38,281.55

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Solution

The fourth proportional to 70,112.25, 96,755.38 and 38,281.55 is: 52,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,112.25 : 96,755.38 = 38,281.55 : x
  2. Step 2: Convert to fraction form
    70,112.25/96,755.38 = 38,281.55/x
  3. Step 3: Cross multiply
    70,112.25x = 96,755.38 × 38,281.55
  4. Step 4: Simplify right side
    70,112.25x = 3,703,945,337.76
  5. Step 5: Solve for x
    x = 3,703,945,337.76/70,112.25
  6. Step 6: Final answer
    x = 52,828.79

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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.