Home / 87,607.22-120,895.43-49,366.08

Finding the Fourth Proportional to 87,607.22, 120,895.43 and 49,366.08

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Solution

The fourth proportional to 87,607.22, 120,895.43 and 49,366.08 is: 68,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,607.22 : 120,895.43 = 49,366.08 : x
  2. Step 2: Convert to fraction form
    87,607.22/120,895.43 = 49,366.08/x
  3. Step 3: Cross multiply
    87,607.22x = 120,895.43 × 49,366.08
  4. Step 4: Simplify right side
    87,607.22x = 5,968,133,222.18
  5. Step 5: Solve for x
    x = 5,968,133,222.18/87,607.22
  6. Step 6: Final answer
    x = 68,123.76

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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.