Home / 70,651.49-106,018.55-26,309.66

Finding the Fourth Proportional to 70,651.49, 106,018.55 and 26,309.66

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Solution

The fourth proportional to 70,651.49, 106,018.55 and 26,309.66 is: 39,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,651.49 : 106,018.55 = 26,309.66 : x
  2. Step 2: Convert to fraction form
    70,651.49/106,018.55 = 26,309.66/x
  3. Step 3: Cross multiply
    70,651.49x = 106,018.55 × 26,309.66
  4. Step 4: Simplify right side
    70,651.49x = 2,789,311,342.55
  5. Step 5: Solve for x
    x = 2,789,311,342.55/70,651.49
  6. Step 6: Final answer
    x = 39,479.87

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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.