Home / 74,873.50-112,279.26-30,470.11

Finding the Fourth Proportional to 74,873.50, 112,279.26 and 30,470.11

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Solution

The fourth proportional to 74,873.50, 112,279.26 and 30,470.11 is: 45,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.50 : 112,279.26 = 30,470.11 : x
  2. Step 2: Convert to fraction form
    74,873.50/112,279.26 = 30,470.11/x
  3. Step 3: Cross multiply
    74,873.50x = 112,279.26 × 30,470.11
  4. Step 4: Simplify right side
    74,873.50x = 3,421,161,236.48
  5. Step 5: Solve for x
    x = 3,421,161,236.48/74,873.50
  6. Step 6: Final answer
    x = 45,692.55

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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.