Home / 101,049.12-139,446.36-58,614.84

Finding the Fourth Proportional to 101,049.12, 139,446.36 and 58,614.84

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Solution

The fourth proportional to 101,049.12, 139,446.36 and 58,614.84 is: 80,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,049.12 : 139,446.36 = 58,614.84 : x
  2. Step 2: Convert to fraction form
    101,049.12/139,446.36 = 58,614.84/x
  3. Step 3: Cross multiply
    101,049.12x = 139,446.36 × 58,614.84
  4. Step 4: Simplify right side
    101,049.12x = 8,173,626,079.98
  5. Step 5: Solve for x
    x = 8,173,626,079.98/101,049.12
  6. Step 6: Final answer
    x = 80,887.65

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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.