Home / 70,760.17-106,123.24-20,826.71

Finding the Fourth Proportional to 70,760.17, 106,123.24 and 20,826.71

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Solution

The fourth proportional to 70,760.17, 106,123.24 and 20,826.71 is: 31,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.17 : 106,123.24 = 20,826.71 : x
  2. Step 2: Convert to fraction form
    70,760.17/106,123.24 = 20,826.71/x
  3. Step 3: Cross multiply
    70,760.17x = 106,123.24 × 20,826.71
  4. Step 4: Simplify right side
    70,760.17x = 2,210,197,943.74
  5. Step 5: Solve for x
    x = 2,210,197,943.74/70,760.17
  6. Step 6: Final answer
    x = 31,235.06

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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.