Home / 86,746.91-130,031.73-49,227.75

Finding the Fourth Proportional to 86,746.91, 130,031.73 and 49,227.75

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Solution

The fourth proportional to 86,746.91, 130,031.73 and 49,227.75 is: 73,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,746.91 : 130,031.73 = 49,227.75 : x
  2. Step 2: Convert to fraction form
    86,746.91/130,031.73 = 49,227.75/x
  3. Step 3: Cross multiply
    86,746.91x = 130,031.73 × 49,227.75
  4. Step 4: Simplify right side
    86,746.91x = 6,401,169,496.51
  5. Step 5: Solve for x
    x = 6,401,169,496.51/86,746.91
  6. Step 6: Final answer
    x = 73,791.33

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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.