Home / 74,319.03-102,645.44-48,938.86

Finding the Fourth Proportional to 74,319.03, 102,645.44 and 48,938.86

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Solution

The fourth proportional to 74,319.03, 102,645.44 and 48,938.86 is: 67,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,319.03 : 102,645.44 = 48,938.86 : x
  2. Step 2: Convert to fraction form
    74,319.03/102,645.44 = 48,938.86/x
  3. Step 3: Cross multiply
    74,319.03x = 102,645.44 × 48,938.86
  4. Step 4: Simplify right side
    74,319.03x = 5,023,350,817.80
  5. Step 5: Solve for x
    x = 5,023,350,817.80/74,319.03
  6. Step 6: Final answer
    x = 67,591.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.