Home / 51,586.19-77,401.15-28,185.29

Finding the Fourth Proportional to 51,586.19, 77,401.15 and 28,185.29

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Solution

The fourth proportional to 51,586.19, 77,401.15 and 28,185.29 is: 42,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.19 : 77,401.15 = 28,185.29 : x
  2. Step 2: Convert to fraction form
    51,586.19/77,401.15 = 28,185.29/x
  3. Step 3: Cross multiply
    51,586.19x = 77,401.15 × 28,185.29
  4. Step 4: Simplify right side
    51,586.19x = 2,181,573,401.61
  5. Step 5: Solve for x
    x = 2,181,573,401.61/51,586.19
  6. Step 6: Final answer
    x = 42,289.88

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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.