Home / 90,175.72-124,434.66-49,888.84

Finding the Fourth Proportional to 90,175.72, 124,434.66 and 49,888.84

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Solution

The fourth proportional to 90,175.72, 124,434.66 and 49,888.84 is: 68,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.72 : 124,434.66 = 49,888.84 : x
  2. Step 2: Convert to fraction form
    90,175.72/124,434.66 = 49,888.84/x
  3. Step 3: Cross multiply
    90,175.72x = 124,434.66 × 49,888.84
  4. Step 4: Simplify right side
    90,175.72x = 6,207,900,843.19
  5. Step 5: Solve for x
    x = 6,207,900,843.19/90,175.72
  6. Step 6: Final answer
    x = 68,842.27

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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.