Home / 55,013-75,917.76-29,862.32

Finding the Fourth Proportional to 55,013, 75,917.76 and 29,862.32

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Solution

The fourth proportional to 55,013, 75,917.76 and 29,862.32 is: 41,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013 : 75,917.76 = 29,862.32 : x
  2. Step 2: Convert to fraction form
    55,013/75,917.76 = 29,862.32/x
  3. Step 3: Cross multiply
    55,013x = 75,917.76 × 29,862.32
  4. Step 4: Simplify right side
    55,013x = 2,267,080,442.80
  5. Step 5: Solve for x
    x = 2,267,080,442.80/55,013
  6. Step 6: Final answer
    x = 41,209.90

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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.