Home / 89,982.69-124,134.89-52,249.65

Finding the Fourth Proportional to 89,982.69, 124,134.89 and 52,249.65

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Solution

The fourth proportional to 89,982.69, 124,134.89 and 52,249.65 is: 72,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.69 : 124,134.89 = 52,249.65 : x
  2. Step 2: Convert to fraction form
    89,982.69/124,134.89 = 52,249.65/x
  3. Step 3: Cross multiply
    89,982.69x = 124,134.89 × 52,249.65
  4. Step 4: Simplify right side
    89,982.69x = 6,486,004,555.29
  5. Step 5: Solve for x
    x = 6,486,004,555.29/89,982.69
  6. Step 6: Final answer
    x = 72,080.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.