Home / 55,937.90-83,712.45-51,272.30

Finding the Fourth Proportional to 55,937.90, 83,712.45 and 51,272.30

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Solution

The fourth proportional to 55,937.90, 83,712.45 and 51,272.30 is: 76,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,937.90 : 83,712.45 = 51,272.30 : x
  2. Step 2: Convert to fraction form
    55,937.90/83,712.45 = 51,272.30/x
  3. Step 3: Cross multiply
    55,937.90x = 83,712.45 × 51,272.30
  4. Step 4: Simplify right side
    55,937.90x = 4,292,129,850.14
  5. Step 5: Solve for x
    x = 4,292,129,850.14/55,937.90
  6. Step 6: Final answer
    x = 76,730.26

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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.