Home / 45,151.70-67,740.91-15,572.52

Finding the Fourth Proportional to 45,151.70, 67,740.91 and 15,572.52

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Solution

The fourth proportional to 45,151.70, 67,740.91 and 15,572.52 is: 23,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.70 : 67,740.91 = 15,572.52 : x
  2. Step 2: Convert to fraction form
    45,151.70/67,740.91 = 15,572.52/x
  3. Step 3: Cross multiply
    45,151.70x = 67,740.91 × 15,572.52
  4. Step 4: Simplify right side
    45,151.70x = 1,054,896,636.86
  5. Step 5: Solve for x
    x = 1,054,896,636.86/45,151.70
  6. Step 6: Final answer
    x = 23,363.39

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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.