Home / 74,920.76-112,341.20-32,751.48

Finding the Fourth Proportional to 74,920.76, 112,341.20 and 32,751.48

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Solution

The fourth proportional to 74,920.76, 112,341.20 and 32,751.48 is: 49,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.76 : 112,341.20 = 32,751.48 : x
  2. Step 2: Convert to fraction form
    74,920.76/112,341.20 = 32,751.48/x
  3. Step 3: Cross multiply
    74,920.76x = 112,341.20 × 32,751.48
  4. Step 4: Simplify right side
    74,920.76x = 3,679,340,564.98
  5. Step 5: Solve for x
    x = 3,679,340,564.98/74,920.76
  6. Step 6: Final answer
    x = 49,109.76

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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.