Home / 91,247.52-136,871.46-28,917.84

Finding the Fourth Proportional to 91,247.52, 136,871.46 and 28,917.84

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Solution

The fourth proportional to 91,247.52, 136,871.46 and 28,917.84 is: 43,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,247.52 : 136,871.46 = 28,917.84 : x
  2. Step 2: Convert to fraction form
    91,247.52/136,871.46 = 28,917.84/x
  3. Step 3: Cross multiply
    91,247.52x = 136,871.46 × 28,917.84
  4. Step 4: Simplify right side
    91,247.52x = 3,958,026,980.85
  5. Step 5: Solve for x
    x = 3,958,026,980.85/91,247.52
  6. Step 6: Final answer
    x = 43,376.82

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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.