Home / 70,065.89-96,691.17-38,235.47

Finding the Fourth Proportional to 70,065.89, 96,691.17 and 38,235.47

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Solution

The fourth proportional to 70,065.89, 96,691.17 and 38,235.47 is: 52,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,065.89 : 96,691.17 = 38,235.47 : x
  2. Step 2: Convert to fraction form
    70,065.89/96,691.17 = 38,235.47/x
  3. Step 3: Cross multiply
    70,065.89x = 96,691.17 × 38,235.47
  4. Step 4: Simplify right side
    70,065.89x = 3,697,032,329.80
  5. Step 5: Solve for x
    x = 3,697,032,329.80/70,065.89
  6. Step 6: Final answer
    x = 52,765.08

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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.