Home / 125,329.96-187,996.38-31,835.80

Finding the Fourth Proportional to 125,329.96, 187,996.38 and 31,835.80

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Solution

The fourth proportional to 125,329.96, 187,996.38 and 31,835.80 is: 47,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,329.96 : 187,996.38 = 31,835.80 : x
  2. Step 2: Convert to fraction form
    125,329.96/187,996.38 = 31,835.80/x
  3. Step 3: Cross multiply
    125,329.96x = 187,996.38 × 31,835.80
  4. Step 4: Simplify right side
    125,329.96x = 5,985,015,154.40
  5. Step 5: Solve for x
    x = 5,985,015,154.40/125,329.96
  6. Step 6: Final answer
    x = 47,754.07

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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.