Home / 55,150.20-82,725.30-39,598.20

Finding the Fourth Proportional to 55,150.20, 82,725.30 and 39,598.20

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Solution

The fourth proportional to 55,150.20, 82,725.30 and 39,598.20 is: 59,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.20 : 82,725.30 = 39,598.20 : x
  2. Step 2: Convert to fraction form
    55,150.20/82,725.30 = 39,598.20/x
  3. Step 3: Cross multiply
    55,150.20x = 82,725.30 × 39,598.20
  4. Step 4: Simplify right side
    55,150.20x = 3,275,772,974.46
  5. Step 5: Solve for x
    x = 3,275,772,974.46/55,150.20
  6. Step 6: Final answer
    x = 59,397.30

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1.5x scale

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.