Home / 55,805.16-76,999.14-33,151.79

Finding the Fourth Proportional to 55,805.16, 76,999.14 and 33,151.79

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Solution

The fourth proportional to 55,805.16, 76,999.14 and 33,151.79 is: 45,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.16 : 76,999.14 = 33,151.79 : x
  2. Step 2: Convert to fraction form
    55,805.16/76,999.14 = 33,151.79/x
  3. Step 3: Cross multiply
    55,805.16x = 76,999.14 × 33,151.79
  4. Step 4: Simplify right side
    55,805.16x = 2,552,659,319.46
  5. Step 5: Solve for x
    x = 2,552,659,319.46/55,805.16
  6. Step 6: Final answer
    x = 45,742.35

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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.