Home / 55,117.98-76,031.19-34,940.70

Finding the Fourth Proportional to 55,117.98, 76,031.19 and 34,940.70

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Solution

The fourth proportional to 55,117.98, 76,031.19 and 34,940.70 is: 48,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.98 : 76,031.19 = 34,940.70 : x
  2. Step 2: Convert to fraction form
    55,117.98/76,031.19 = 34,940.70/x
  3. Step 3: Cross multiply
    55,117.98x = 76,031.19 × 34,940.70
  4. Step 4: Simplify right side
    55,117.98x = 2,656,583,000.43
  5. Step 5: Solve for x
    x = 2,656,583,000.43/55,117.98
  6. Step 6: Final answer
    x = 48,198.12

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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.