Home / 91,230.25-125,890.25-52,977.65

Finding the Fourth Proportional to 91,230.25, 125,890.25 and 52,977.65

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Solution

The fourth proportional to 91,230.25, 125,890.25 and 52,977.65 is: 73,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,230.25 : 125,890.25 = 52,977.65 : x
  2. Step 2: Convert to fraction form
    91,230.25/125,890.25 = 52,977.65/x
  3. Step 3: Cross multiply
    91,230.25x = 125,890.25 × 52,977.65
  4. Step 4: Simplify right side
    91,230.25x = 6,669,369,006.57
  5. Step 5: Solve for x
    x = 6,669,369,006.57/91,230.25
  6. Step 6: Final answer
    x = 73,104.80

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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.