Home / 51,627.78-77,442.52-14,187.62

Finding the Fourth Proportional to 51,627.78, 77,442.52 and 14,187.62

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Solution

The fourth proportional to 51,627.78, 77,442.52 and 14,187.62 is: 21,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.78 : 77,442.52 = 14,187.62 : x
  2. Step 2: Convert to fraction form
    51,627.78/77,442.52 = 14,187.62/x
  3. Step 3: Cross multiply
    51,627.78x = 77,442.52 × 14,187.62
  4. Step 4: Simplify right side
    51,627.78x = 1,098,724,587.45
  5. Step 5: Solve for x
    x = 1,098,724,587.45/51,627.78
  6. Step 6: Final answer
    x = 21,281.66

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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.