Home / 49,427.70-74,314.35-48,390.90

Finding the Fourth Proportional to 49,427.70, 74,314.35 and 48,390.90

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Solution

The fourth proportional to 49,427.70, 74,314.35 and 48,390.90 is: 72,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.70 : 74,314.35 = 48,390.90 : x
  2. Step 2: Convert to fraction form
    49,427.70/74,314.35 = 48,390.90/x
  3. Step 3: Cross multiply
    49,427.70x = 74,314.35 × 48,390.90
  4. Step 4: Simplify right side
    49,427.70x = 3,596,138,279.42
  5. Step 5: Solve for x
    x = 3,596,138,279.42/49,427.70
  6. Step 6: Final answer
    x = 72,755.53

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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.