Home / 55,941.10-83,926.11-20,881.06

Finding the Fourth Proportional to 55,941.10, 83,926.11 and 20,881.06

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Solution

The fourth proportional to 55,941.10, 83,926.11 and 20,881.06 is: 31,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.10 : 83,926.11 = 20,881.06 : x
  2. Step 2: Convert to fraction form
    55,941.10/83,926.11 = 20,881.06/x
  3. Step 3: Cross multiply
    55,941.10x = 83,926.11 × 20,881.06
  4. Step 4: Simplify right side
    55,941.10x = 1,752,466,138.48
  5. Step 5: Solve for x
    x = 1,752,466,138.48/55,941.10
  6. Step 6: Final answer
    x = 31,326.99

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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.