Home / 86,559.32-129,855.38-27,390.03

Finding the Fourth Proportional to 86,559.32, 129,855.38 and 27,390.03

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Solution

The fourth proportional to 86,559.32, 129,855.38 and 27,390.03 is: 41,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,559.32 : 129,855.38 = 27,390.03 : x
  2. Step 2: Convert to fraction form
    86,559.32/129,855.38 = 27,390.03/x
  3. Step 3: Cross multiply
    86,559.32x = 129,855.38 × 27,390.03
  4. Step 4: Simplify right side
    86,559.32x = 3,556,742,616.91
  5. Step 5: Solve for x
    x = 3,556,742,616.91/86,559.32
  6. Step 6: Final answer
    x = 41,090.24

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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.