Home / 87,585.94-120,868.73-49,860.19

Finding the Fourth Proportional to 87,585.94, 120,868.73 and 49,860.19

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Solution

The fourth proportional to 87,585.94, 120,868.73 and 49,860.19 is: 68,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,585.94 : 120,868.73 = 49,860.19 : x
  2. Step 2: Convert to fraction form
    87,585.94/120,868.73 = 49,860.19/x
  3. Step 3: Cross multiply
    87,585.94x = 120,868.73 × 49,860.19
  4. Step 4: Simplify right side
    87,585.94x = 6,026,537,842.86
  5. Step 5: Solve for x
    x = 6,026,537,842.86/87,585.94
  6. Step 6: Final answer
    x = 68,807.14

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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.