Home / 125,047.75-187,601.46-40,808.07

Finding the Fourth Proportional to 125,047.75, 187,601.46 and 40,808.07

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Solution

The fourth proportional to 125,047.75, 187,601.46 and 40,808.07 is: 61,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047.75 : 187,601.46 = 40,808.07 : x
  2. Step 2: Convert to fraction form
    125,047.75/187,601.46 = 40,808.07/x
  3. Step 3: Cross multiply
    125,047.75x = 187,601.46 × 40,808.07
  4. Step 4: Simplify right side
    125,047.75x = 7,655,653,511.78
  5. Step 5: Solve for x
    x = 7,655,653,511.78/125,047.75
  6. Step 6: Final answer
    x = 61,221.84

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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.