Home / 125,329.94-187,951.11-50,430.65

Finding the Fourth Proportional to 125,329.94, 187,951.11 and 50,430.65

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Solution

The fourth proportional to 125,329.94, 187,951.11 and 50,430.65 is: 75,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,329.94 : 187,951.11 = 50,430.65 : x
  2. Step 2: Convert to fraction form
    125,329.94/187,951.11 = 50,430.65/x
  3. Step 3: Cross multiply
    125,329.94x = 187,951.11 × 50,430.65
  4. Step 4: Simplify right side
    125,329.94x = 9,478,496,645.52
  5. Step 5: Solve for x
    x = 9,478,496,645.52/125,329.94
  6. Step 6: Final answer
    x = 75,628.35

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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.