Home / 86,871.69-130,292.01-26,069.58

Finding the Fourth Proportional to 86,871.69, 130,292.01 and 26,069.58

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Solution

The fourth proportional to 86,871.69, 130,292.01 and 26,069.58 is: 39,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,871.69 : 130,292.01 = 26,069.58 : x
  2. Step 2: Convert to fraction form
    86,871.69/130,292.01 = 26,069.58/x
  3. Step 3: Cross multiply
    86,871.69x = 130,292.01 × 26,069.58
  4. Step 4: Simplify right side
    86,871.69x = 3,396,657,978.06
  5. Step 5: Solve for x
    x = 3,396,657,978.06/86,871.69
  6. Step 6: Final answer
    x = 39,099.71

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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.