Home / 55,860.97-83,765.06-20,297.50

Finding the Fourth Proportional to 55,860.97, 83,765.06 and 20,297.50

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Solution

The fourth proportional to 55,860.97, 83,765.06 and 20,297.50 is: 30,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.97 : 83,765.06 = 20,297.50 : x
  2. Step 2: Convert to fraction form
    55,860.97/83,765.06 = 20,297.50/x
  3. Step 3: Cross multiply
    55,860.97x = 83,765.06 × 20,297.50
  4. Step 4: Simplify right side
    55,860.97x = 1,700,220,785.04
  5. Step 5: Solve for x
    x = 1,700,220,785.04/55,860.97
  6. Step 6: Final answer
    x = 30,436.65

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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.