Home / 86,749.68-119,717.46-49,026.36

Finding the Fourth Proportional to 86,749.68, 119,717.46 and 49,026.36

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Solution

The fourth proportional to 86,749.68, 119,717.46 and 49,026.36 is: 67,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749.68 : 119,717.46 = 49,026.36 : x
  2. Step 2: Convert to fraction form
    86,749.68/119,717.46 = 49,026.36/x
  3. Step 3: Cross multiply
    86,749.68x = 119,717.46 × 49,026.36
  4. Step 4: Simplify right side
    86,749.68x = 5,869,311,292.25
  5. Step 5: Solve for x
    x = 5,869,311,292.25/86,749.68
  6. Step 6: Final answer
    x = 67,658.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.