Home / 82,898.16-124,347.24-20,568.66

Finding the Fourth Proportional to 82,898.16, 124,347.24 and 20,568.66

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Solution

The fourth proportional to 82,898.16, 124,347.24 and 20,568.66 is: 30,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,898.16 : 124,347.24 = 20,568.66 : x
  2. Step 2: Convert to fraction form
    82,898.16/124,347.24 = 20,568.66/x
  3. Step 3: Cross multiply
    82,898.16x = 124,347.24 × 20,568.66
  4. Step 4: Simplify right side
    82,898.16x = 2,557,656,101.50
  5. Step 5: Solve for x
    x = 2,557,656,101.50/82,898.16
  6. Step 6: Final answer
    x = 30,852.99

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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.