Home / 87,199.76-120,332.04-49,476.08

Finding the Fourth Proportional to 87,199.76, 120,332.04 and 49,476.08

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Solution

The fourth proportional to 87,199.76, 120,332.04 and 49,476.08 is: 68,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,199.76 : 120,332.04 = 49,476.08 : x
  2. Step 2: Convert to fraction form
    87,199.76/120,332.04 = 49,476.08/x
  3. Step 3: Cross multiply
    87,199.76x = 120,332.04 × 49,476.08
  4. Step 4: Simplify right side
    87,199.76x = 5,953,557,637.60
  5. Step 5: Solve for x
    x = 5,953,557,637.60/87,199.76
  6. Step 6: Final answer
    x = 68,274.93

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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.