Home / 86,997.48-120,066.51-48,767.37

Finding the Fourth Proportional to 86,997.48, 120,066.51 and 48,767.37

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Solution

The fourth proportional to 86,997.48, 120,066.51 and 48,767.37 is: 67,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,997.48 : 120,066.51 = 48,767.37 : x
  2. Step 2: Convert to fraction form
    86,997.48/120,066.51 = 48,767.37/x
  3. Step 3: Cross multiply
    86,997.48x = 120,066.51 × 48,767.37
  4. Step 4: Simplify right side
    86,997.48x = 5,855,327,917.78
  5. Step 5: Solve for x
    x = 5,855,327,917.78/86,997.48
  6. Step 6: Final answer
    x = 67,304.57

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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.