Home / 79,530.27-109,750.32-43,719.95

Finding the Fourth Proportional to 79,530.27, 109,750.32 and 43,719.95

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Solution

The fourth proportional to 79,530.27, 109,750.32 and 43,719.95 is: 60,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,530.27 : 109,750.32 = 43,719.95 : x
  2. Step 2: Convert to fraction form
    79,530.27/109,750.32 = 43,719.95/x
  3. Step 3: Cross multiply
    79,530.27x = 109,750.32 × 43,719.95
  4. Step 4: Simplify right side
    79,530.27x = 4,798,277,954.13
  5. Step 5: Solve for x
    x = 4,798,277,954.13/79,530.27
  6. Step 6: Final answer
    x = 60,332.73

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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.