Home / 70,344.20-97,074.38-38,078.66

Finding the Fourth Proportional to 70,344.20, 97,074.38 and 38,078.66

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Solution

The fourth proportional to 70,344.20, 97,074.38 and 38,078.66 is: 52,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.20 : 97,074.38 = 38,078.66 : x
  2. Step 2: Convert to fraction form
    70,344.20/97,074.38 = 38,078.66/x
  3. Step 3: Cross multiply
    70,344.20x = 97,074.38 × 38,078.66
  4. Step 4: Simplify right side
    70,344.20x = 3,696,462,648.61
  5. Step 5: Solve for x
    x = 3,696,462,648.61/70,344.20
  6. Step 6: Final answer
    x = 52,548.22

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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.