Home / 70,911.20-97,857.46-38,645.83

Finding the Fourth Proportional to 70,911.20, 97,857.46 and 38,645.83

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Solution

The fourth proportional to 70,911.20, 97,857.46 and 38,645.83 is: 53,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,911.20 : 97,857.46 = 38,645.83 : x
  2. Step 2: Convert to fraction form
    70,911.20/97,857.46 = 38,645.83/x
  3. Step 3: Cross multiply
    70,911.20x = 97,857.46 × 38,645.83
  4. Step 4: Simplify right side
    70,911.20x = 3,781,782,763.39
  5. Step 5: Solve for x
    x = 3,781,782,763.39/70,911.20
  6. Step 6: Final answer
    x = 53,331.25

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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.