Home / 70,149.12-96,805.26-38,318.01

Finding the Fourth Proportional to 70,149.12, 96,805.26 and 38,318.01

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Solution

The fourth proportional to 70,149.12, 96,805.26 and 38,318.01 is: 52,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,149.12 : 96,805.26 = 38,318.01 : x
  2. Step 2: Convert to fraction form
    70,149.12/96,805.26 = 38,318.01/x
  3. Step 3: Cross multiply
    70,149.12x = 96,805.26 × 38,318.01
  4. Step 4: Simplify right side
    70,149.12x = 3,709,384,920.73
  5. Step 5: Solve for x
    x = 3,709,384,920.73/70,149.12
  6. Step 6: Final answer
    x = 52,878.57

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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.