Home / 74,770.86-112,319.10-45,202.62

Finding the Fourth Proportional to 74,770.86, 112,319.10 and 45,202.62

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Solution

The fourth proportional to 74,770.86, 112,319.10 and 45,202.62 is: 67,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.86 : 112,319.10 = 45,202.62 : x
  2. Step 2: Convert to fraction form
    74,770.86/112,319.10 = 45,202.62/x
  3. Step 3: Cross multiply
    74,770.86x = 112,319.10 × 45,202.62
  4. Step 4: Simplify right side
    74,770.86x = 5,077,117,596.04
  5. Step 5: Solve for x
    x = 5,077,117,596.04/74,770.86
  6. Step 6: Final answer
    x = 67,902.36

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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.