Home / 71,227.20-106,865.55-26,866.74

Finding the Fourth Proportional to 71,227.20, 106,865.55 and 26,866.74

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Solution

The fourth proportional to 71,227.20, 106,865.55 and 26,866.74 is: 40,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,227.20 : 106,865.55 = 26,866.74 : x
  2. Step 2: Convert to fraction form
    71,227.20/106,865.55 = 26,866.74/x
  3. Step 3: Cross multiply
    71,227.20x = 106,865.55 × 26,866.74
  4. Step 4: Simplify right side
    71,227.20x = 2,871,128,946.81
  5. Step 5: Solve for x
    x = 2,871,128,946.81/71,227.20
  6. Step 6: Final answer
    x = 40,309.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.