Home / 82,833.10-124,249.65-69,711.10

Finding the Fourth Proportional to 82,833.10, 124,249.65 and 69,711.10

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Solution

The fourth proportional to 82,833.10, 124,249.65 and 69,711.10 is: 104,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,833.10 : 124,249.65 = 69,711.10 : x
  2. Step 2: Convert to fraction form
    82,833.10/124,249.65 = 69,711.10/x
  3. Step 3: Cross multiply
    82,833.10x = 124,249.65 × 69,711.10
  4. Step 4: Simplify right side
    82,833.10x = 8,661,579,776.12
  5. Step 5: Solve for x
    x = 8,661,579,776.12/82,833.10
  6. Step 6: Final answer
    x = 104,566.65

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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.