Home / 40,117.44-60,109.76-28,372.48

Finding the Fourth Proportional to 40,117.44, 60,109.76 and 28,372.48

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Solution

The fourth proportional to 40,117.44, 60,109.76 and 28,372.48 is: 42,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,117.44 : 60,109.76 = 28,372.48 : x
  2. Step 2: Convert to fraction form
    40,117.44/60,109.76 = 28,372.48/x
  3. Step 3: Cross multiply
    40,117.44x = 60,109.76 × 28,372.48
  4. Step 4: Simplify right side
    40,117.44x = 1,705,462,963.40
  5. Step 5: Solve for x
    x = 1,705,462,963.40/40,117.44
  6. Step 6: Final answer
    x = 42,511.76

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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.