Home / 55,206.42-82,823.40-25,645.20

Finding the Fourth Proportional to 55,206.42, 82,823.40 and 25,645.20

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Solution

The fourth proportional to 55,206.42, 82,823.40 and 25,645.20 is: 38,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.42 : 82,823.40 = 25,645.20 : x
  2. Step 2: Convert to fraction form
    55,206.42/82,823.40 = 25,645.20/x
  3. Step 3: Cross multiply
    55,206.42x = 82,823.40 × 25,645.20
  4. Step 4: Simplify right side
    55,206.42x = 2,124,022,657.68
  5. Step 5: Solve for x
    x = 2,124,022,657.68/55,206.42
  6. Step 6: Final answer
    x = 38,474.20

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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.