Home / 51,749.52-77,624.82-28,363.20

Finding the Fourth Proportional to 51,749.52, 77,624.82 and 28,363.20

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Solution

The fourth proportional to 51,749.52, 77,624.82 and 28,363.20 is: 42,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,749.52 : 77,624.82 = 28,363.20 : x
  2. Step 2: Convert to fraction form
    51,749.52/77,624.82 = 28,363.20/x
  3. Step 3: Cross multiply
    51,749.52x = 77,624.82 × 28,363.20
  4. Step 4: Simplify right side
    51,749.52x = 2,201,688,294.62
  5. Step 5: Solve for x
    x = 2,201,688,294.62/51,749.52
  6. Step 6: Final answer
    x = 42,545.10

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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.