Home / 86,997.29-120,064.68-48,763.33

Finding the Fourth Proportional to 86,997.29, 120,064.68 and 48,763.33

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Solution

The fourth proportional to 86,997.29, 120,064.68 and 48,763.33 is: 67,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,997.29 : 120,064.68 = 48,763.33 : x
  2. Step 2: Convert to fraction form
    86,997.29/120,064.68 = 48,763.33/x
  3. Step 3: Cross multiply
    86,997.29x = 120,064.68 × 48,763.33
  4. Step 4: Simplify right side
    86,997.29x = 5,854,753,312.02
  5. Step 5: Solve for x
    x = 5,854,753,312.02/86,997.29
  6. Step 6: Final answer
    x = 67,298.12

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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.