Home / 55,728.56-83,620.18-26,148.78

Finding the Fourth Proportional to 55,728.56, 83,620.18 and 26,148.78

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Solution

The fourth proportional to 55,728.56, 83,620.18 and 26,148.78 is: 39,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.56 : 83,620.18 = 26,148.78 : x
  2. Step 2: Convert to fraction form
    55,728.56/83,620.18 = 26,148.78/x
  3. Step 3: Cross multiply
    55,728.56x = 83,620.18 × 26,148.78
  4. Step 4: Simplify right side
    55,728.56x = 2,186,565,690.38
  5. Step 5: Solve for x
    x = 2,186,565,690.38/55,728.56
  6. Step 6: Final answer
    x = 39,236.00

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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.