Home / 51,505.17-77,292.38-18,225.10

Finding the Fourth Proportional to 51,505.17, 77,292.38 and 18,225.10

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Solution

The fourth proportional to 51,505.17, 77,292.38 and 18,225.10 is: 27,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.17 : 77,292.38 = 18,225.10 : x
  2. Step 2: Convert to fraction form
    51,505.17/77,292.38 = 18,225.10/x
  3. Step 3: Cross multiply
    51,505.17x = 77,292.38 × 18,225.10
  4. Step 4: Simplify right side
    51,505.17x = 1,408,661,354.74
  5. Step 5: Solve for x
    x = 1,408,661,354.74/51,505.17
  6. Step 6: Final answer
    x = 27,349.90

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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.