Home / 87,894.04-121,272.78-52,077.87

Finding the Fourth Proportional to 87,894.04, 121,272.78 and 52,077.87

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Solution

The fourth proportional to 87,894.04, 121,272.78 and 52,077.87 is: 71,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894.04 : 121,272.78 = 52,077.87 : x
  2. Step 2: Convert to fraction form
    87,894.04/121,272.78 = 52,077.87/x
  3. Step 3: Cross multiply
    87,894.04x = 121,272.78 × 52,077.87
  4. Step 4: Simplify right side
    87,894.04x = 6,315,628,071.38
  5. Step 5: Solve for x
    x = 6,315,628,071.38/87,894.04
  6. Step 6: Final answer
    x = 71,855.02

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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.