Home / 86,871.23-130,217.62-49,351.18

Finding the Fourth Proportional to 86,871.23, 130,217.62 and 49,351.18

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Solution

The fourth proportional to 86,871.23, 130,217.62 and 49,351.18 is: 73,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,871.23 : 130,217.62 = 49,351.18 : x
  2. Step 2: Convert to fraction form
    86,871.23/130,217.62 = 49,351.18/x
  3. Step 3: Cross multiply
    86,871.23x = 130,217.62 × 49,351.18
  4. Step 4: Simplify right side
    86,871.23x = 6,426,393,203.79
  5. Step 5: Solve for x
    x = 6,426,393,203.79/86,871.23
  6. Step 6: Final answer
    x = 73,976.08

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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.