Home / 74,385.20-111,577.80-44,860.70

Finding the Fourth Proportional to 74,385.20, 111,577.80 and 44,860.70

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Solution

The fourth proportional to 74,385.20, 111,577.80 and 44,860.70 is: 67,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,385.20 : 111,577.80 = 44,860.70 : x
  2. Step 2: Convert to fraction form
    74,385.20/111,577.80 = 44,860.70/x
  3. Step 3: Cross multiply
    74,385.20x = 111,577.80 × 44,860.70
  4. Step 4: Simplify right side
    74,385.20x = 5,005,458,212.46
  5. Step 5: Solve for x
    x = 5,005,458,212.46/74,385.20
  6. Step 6: Final answer
    x = 67,291.05

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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.