Home / 79,565.43-109,796.54-43,756.95

Finding the Fourth Proportional to 79,565.43, 109,796.54 and 43,756.95

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Solution

The fourth proportional to 79,565.43, 109,796.54 and 43,756.95 is: 60,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.43 : 109,796.54 = 43,756.95 : x
  2. Step 2: Convert to fraction form
    79,565.43/109,796.54 = 43,756.95/x
  3. Step 3: Cross multiply
    79,565.43x = 109,796.54 × 43,756.95
  4. Step 4: Simplify right side
    79,565.43x = 4,804,361,492.17
  5. Step 5: Solve for x
    x = 4,804,361,492.17/79,565.43
  6. Step 6: Final answer
    x = 60,382.52

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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.