Home / 70,925.18-106,391.42-18,335.12

Finding the Fourth Proportional to 70,925.18, 106,391.42 and 18,335.12

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Solution

The fourth proportional to 70,925.18, 106,391.42 and 18,335.12 is: 27,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.18 : 106,391.42 = 18,335.12 : x
  2. Step 2: Convert to fraction form
    70,925.18/106,391.42 = 18,335.12/x
  3. Step 3: Cross multiply
    70,925.18x = 106,391.42 × 18,335.12
  4. Step 4: Simplify right side
    70,925.18x = 1,950,699,764.49
  5. Step 5: Solve for x
    x = 1,950,699,764.49/70,925.18
  6. Step 6: Final answer
    x = 27,503.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.