Home / 70,121.01-96,769.33-39,499.36

Finding the Fourth Proportional to 70,121.01, 96,769.33 and 39,499.36

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Solution

The fourth proportional to 70,121.01, 96,769.33 and 39,499.36 is: 54,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,121.01 : 96,769.33 = 39,499.36 : x
  2. Step 2: Convert to fraction form
    70,121.01/96,769.33 = 39,499.36/x
  3. Step 3: Cross multiply
    70,121.01x = 96,769.33 × 39,499.36
  4. Step 4: Simplify right side
    70,121.01x = 3,822,327,028.47
  5. Step 5: Solve for x
    x = 3,822,327,028.47/70,121.01
  6. Step 6: Final answer
    x = 54,510.44

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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.