Home / 79,935.71-110,311.47-43,637.18

Finding the Fourth Proportional to 79,935.71, 110,311.47 and 43,637.18

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Solution

The fourth proportional to 79,935.71, 110,311.47 and 43,637.18 is: 60,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,935.71 : 110,311.47 = 43,637.18 : x
  2. Step 2: Convert to fraction form
    79,935.71/110,311.47 = 43,637.18/x
  3. Step 3: Cross multiply
    79,935.71x = 110,311.47 × 43,637.18
  4. Step 4: Simplify right side
    79,935.71x = 4,813,680,920.90
  5. Step 5: Solve for x
    x = 4,813,680,920.90/79,935.71
  6. Step 6: Final answer
    x = 60,219.41

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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.