Home / 87,266.99-120,428.93-49,028.15

Finding the Fourth Proportional to 87,266.99, 120,428.93 and 49,028.15

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Solution

The fourth proportional to 87,266.99, 120,428.93 and 49,028.15 is: 67,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.99 : 120,428.93 = 49,028.15 : x
  2. Step 2: Convert to fraction form
    87,266.99/120,428.93 = 49,028.15/x
  3. Step 3: Cross multiply
    87,266.99x = 120,428.93 × 49,028.15
  4. Step 4: Simplify right side
    87,266.99x = 5,904,408,068.02
  5. Step 5: Solve for x
    x = 5,904,408,068.02/87,266.99
  6. Step 6: Final answer
    x = 67,659.12

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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.