Home / 70,040.17-96,655.66-38,209.74

Finding the Fourth Proportional to 70,040.17, 96,655.66 and 38,209.74

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Solution

The fourth proportional to 70,040.17, 96,655.66 and 38,209.74 is: 52,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.17 : 96,655.66 = 38,209.74 : x
  2. Step 2: Convert to fraction form
    70,040.17/96,655.66 = 38,209.74/x
  3. Step 3: Cross multiply
    70,040.17x = 96,655.66 × 38,209.74
  4. Step 4: Simplify right side
    70,040.17x = 3,693,187,395.08
  5. Step 5: Solve for x
    x = 3,693,187,395.08/70,040.17
  6. Step 6: Final answer
    x = 52,729.56

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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.