Home / 71,400.62-98,535.48-43,100.84

Finding the Fourth Proportional to 71,400.62, 98,535.48 and 43,100.84

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Solution

The fourth proportional to 71,400.62, 98,535.48 and 43,100.84 is: 59,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,400.62 : 98,535.48 = 43,100.84 : x
  2. Step 2: Convert to fraction form
    71,400.62/98,535.48 = 43,100.84/x
  3. Step 3: Cross multiply
    71,400.62x = 98,535.48 × 43,100.84
  4. Step 4: Simplify right side
    71,400.62x = 4,246,961,957.80
  5. Step 5: Solve for x
    x = 4,246,961,957.80/71,400.62
  6. Step 6: Final answer
    x = 59,480.74

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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.