Home / 55,546.55-76,652.33-31,680.92

Finding the Fourth Proportional to 55,546.55, 76,652.33 and 31,680.92

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Solution

The fourth proportional to 55,546.55, 76,652.33 and 31,680.92 is: 43,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.55 : 76,652.33 = 31,680.92 : x
  2. Step 2: Convert to fraction form
    55,546.55/76,652.33 = 31,680.92/x
  3. Step 3: Cross multiply
    55,546.55x = 76,652.33 × 31,680.92
  4. Step 4: Simplify right side
    55,546.55x = 2,428,416,030.48
  5. Step 5: Solve for x
    x = 2,428,416,030.48/55,546.55
  6. Step 6: Final answer
    x = 43,718.57

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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.