Home / 70,230.19-96,917.67-38,399.11

Finding the Fourth Proportional to 70,230.19, 96,917.67 and 38,399.11

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Solution

The fourth proportional to 70,230.19, 96,917.67 and 38,399.11 is: 52,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.19 : 96,917.67 = 38,399.11 : x
  2. Step 2: Convert to fraction form
    70,230.19/96,917.67 = 38,399.11/x
  3. Step 3: Cross multiply
    70,230.19x = 96,917.67 × 38,399.11
  4. Step 4: Simplify right side
    70,230.19x = 3,721,552,271.27
  5. Step 5: Solve for x
    x = 3,721,552,271.27/70,230.19
  6. Step 6: Final answer
    x = 52,990.78

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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.