Home / 65,255.18-90,049.53-36,959.18

Finding the Fourth Proportional to 65,255.18, 90,049.53 and 36,959.18

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Solution

The fourth proportional to 65,255.18, 90,049.53 and 36,959.18 is: 51,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.18 : 90,049.53 = 36,959.18 : x
  2. Step 2: Convert to fraction form
    65,255.18/90,049.53 = 36,959.18/x
  3. Step 3: Cross multiply
    65,255.18x = 90,049.53 × 36,959.18
  4. Step 4: Simplify right side
    65,255.18x = 3,328,156,788.19
  5. Step 5: Solve for x
    x = 3,328,156,788.19/65,255.18
  6. Step 6: Final answer
    x = 51,002.19

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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.