Home / 87,297.84-120,462.03-49,051.31

Finding the Fourth Proportional to 87,297.84, 120,462.03 and 49,051.31

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Solution

The fourth proportional to 87,297.84, 120,462.03 and 49,051.31 is: 67,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297.84 : 120,462.03 = 49,051.31 : x
  2. Step 2: Convert to fraction form
    87,297.84/120,462.03 = 49,051.31/x
  3. Step 3: Cross multiply
    87,297.84x = 120,462.03 × 49,051.31
  4. Step 4: Simplify right side
    87,297.84x = 5,908,819,774.45
  5. Step 5: Solve for x
    x = 5,908,819,774.45/87,297.84
  6. Step 6: Final answer
    x = 67,685.75

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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.