Home / 87,337.78-120,536.19-48,579.53

Finding the Fourth Proportional to 87,337.78, 120,536.19 and 48,579.53

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Solution

The fourth proportional to 87,337.78, 120,536.19 and 48,579.53 is: 67,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.78 : 120,536.19 = 48,579.53 : x
  2. Step 2: Convert to fraction form
    87,337.78/120,536.19 = 48,579.53/x
  3. Step 3: Cross multiply
    87,337.78x = 120,536.19 × 48,579.53
  4. Step 4: Simplify right side
    87,337.78x = 5,855,590,855.51
  5. Step 5: Solve for x
    x = 5,855,590,855.51/87,337.78
  6. Step 6: Final answer
    x = 67,045.34

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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.