Home / 125,357.37-188,036.47-31,863.12

Finding the Fourth Proportional to 125,357.37, 188,036.47 and 31,863.12

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Solution

The fourth proportional to 125,357.37, 188,036.47 and 31,863.12 is: 47,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,357.37 : 188,036.47 = 31,863.12 : x
  2. Step 2: Convert to fraction form
    125,357.37/188,036.47 = 31,863.12/x
  3. Step 3: Cross multiply
    125,357.37x = 188,036.47 × 31,863.12
  4. Step 4: Simplify right side
    125,357.37x = 5,991,429,000.38
  5. Step 5: Solve for x
    x = 5,991,429,000.38/125,357.37
  6. Step 6: Final answer
    x = 47,794.79

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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.