Home / 80,847.36-111,542.40-49,006.08

Finding the Fourth Proportional to 80,847.36, 111,542.40 and 49,006.08

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Solution

The fourth proportional to 80,847.36, 111,542.40 and 49,006.08 is: 67,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847.36 : 111,542.40 = 49,006.08 : x
  2. Step 2: Convert to fraction form
    80,847.36/111,542.40 = 49,006.08/x
  3. Step 3: Cross multiply
    80,847.36x = 111,542.40 × 49,006.08
  4. Step 4: Simplify right side
    80,847.36x = 5,466,255,777.79
  5. Step 5: Solve for x
    x = 5,466,255,777.79/80,847.36
  6. Step 6: Final answer
    x = 67,612.05

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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.