Home / 125,856.10-188,849.76-51,031.54

Finding the Fourth Proportional to 125,856.10, 188,849.76 and 51,031.54

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Solution

The fourth proportional to 125,856.10, 188,849.76 and 51,031.54 is: 76,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,856.10 : 188,849.76 = 51,031.54 : x
  2. Step 2: Convert to fraction form
    125,856.10/188,849.76 = 51,031.54/x
  3. Step 3: Cross multiply
    125,856.10x = 188,849.76 × 51,031.54
  4. Step 4: Simplify right side
    125,856.10x = 9,637,294,081.43
  5. Step 5: Solve for x
    x = 9,637,294,081.43/125,856.10
  6. Step 6: Final answer
    x = 76,573.91

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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.