Home / 55,751.56-76,937.04-30,600.52

Finding the Fourth Proportional to 55,751.56, 76,937.04 and 30,600.52

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Solution

The fourth proportional to 55,751.56, 76,937.04 and 30,600.52 is: 42,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.56 : 76,937.04 = 30,600.52 : x
  2. Step 2: Convert to fraction form
    55,751.56/76,937.04 = 30,600.52/x
  3. Step 3: Cross multiply
    55,751.56x = 76,937.04 × 30,600.52
  4. Step 4: Simplify right side
    55,751.56x = 2,354,313,431.26
  5. Step 5: Solve for x
    x = 2,354,313,431.26/55,751.56
  6. Step 6: Final answer
    x = 42,228.66

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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.