Home / 73,847.13-101,868-48,394.55

Finding the Fourth Proportional to 73,847.13, 101,868 and 48,394.55

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Solution

The fourth proportional to 73,847.13, 101,868 and 48,394.55 is: 66,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,847.13 : 101,868 = 48,394.55 : x
  2. Step 2: Convert to fraction form
    73,847.13/101,868 = 48,394.55/x
  3. Step 3: Cross multiply
    73,847.13x = 101,868 × 48,394.55
  4. Step 4: Simplify right side
    73,847.13x = 4,929,856,019.40
  5. Step 5: Solve for x
    x = 4,929,856,019.40/73,847.13
  6. Step 6: Final answer
    x = 66,757.58

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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.