Home / 70,091.18-96,711.38-40,277.42

Finding the Fourth Proportional to 70,091.18, 96,711.38 and 40,277.42

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Solution

The fourth proportional to 70,091.18, 96,711.38 and 40,277.42 is: 55,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.18 : 96,711.38 = 40,277.42 : x
  2. Step 2: Convert to fraction form
    70,091.18/96,711.38 = 40,277.42/x
  3. Step 3: Cross multiply
    70,091.18x = 96,711.38 × 40,277.42
  4. Step 4: Simplify right side
    70,091.18x = 3,895,284,871.04
  5. Step 5: Solve for x
    x = 3,895,284,871.04/70,091.18
  6. Step 6: Final answer
    x = 55,574.54

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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.