Home / 87,582.94-120,864.59-49,857.19

Finding the Fourth Proportional to 87,582.94, 120,864.59 and 49,857.19

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Solution

The fourth proportional to 87,582.94, 120,864.59 and 49,857.19 is: 68,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.94 : 120,864.59 = 49,857.19 : x
  2. Step 2: Convert to fraction form
    87,582.94/120,864.59 = 49,857.19/x
  3. Step 3: Cross multiply
    87,582.94x = 120,864.59 × 49,857.19
  4. Step 4: Simplify right side
    87,582.94x = 6,025,968,463.42
  5. Step 5: Solve for x
    x = 6,025,968,463.42/87,582.94
  6. Step 6: Final answer
    x = 68,803.00

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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.