Home / 75,087.38-103,579.08-48,233.86

Finding the Fourth Proportional to 75,087.38, 103,579.08 and 48,233.86

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Solution

The fourth proportional to 75,087.38, 103,579.08 and 48,233.86 is: 66,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.38 : 103,579.08 = 48,233.86 : x
  2. Step 2: Convert to fraction form
    75,087.38/103,579.08 = 48,233.86/x
  3. Step 3: Cross multiply
    75,087.38x = 103,579.08 × 48,233.86
  4. Step 4: Simplify right side
    75,087.38x = 4,996,018,843.65
  5. Step 5: Solve for x
    x = 4,996,018,843.65/75,087.38
  6. Step 6: Final answer
    x = 66,536.07

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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.