Home / 125,358.91-188,038.77-31,864.66

Finding the Fourth Proportional to 125,358.91, 188,038.77 and 31,864.66

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Solution

The fourth proportional to 125,358.91, 188,038.77 and 31,864.66 is: 47,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,358.91 : 188,038.77 = 31,864.66 : x
  2. Step 2: Convert to fraction form
    125,358.91/188,038.77 = 31,864.66/x
  3. Step 3: Cross multiply
    125,358.91x = 188,038.77 × 31,864.66
  4. Step 4: Simplify right side
    125,358.91x = 5,991,790,373.35
  5. Step 5: Solve for x
    x = 5,991,790,373.35/125,358.91
  6. Step 6: Final answer
    x = 47,797.09

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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.