Home / 86,964.68-130,467.28-27,795.80

Finding the Fourth Proportional to 86,964.68, 130,467.28 and 27,795.80

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Solution

The fourth proportional to 86,964.68, 130,467.28 and 27,795.80 is: 41,700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.68 : 130,467.28 = 27,795.80 : x
  2. Step 2: Convert to fraction form
    86,964.68/130,467.28 = 27,795.80/x
  3. Step 3: Cross multiply
    86,964.68x = 130,467.28 × 27,795.80
  4. Step 4: Simplify right side
    86,964.68x = 3,626,442,421.42
  5. Step 5: Solve for x
    x = 3,626,442,421.42/86,964.68
  6. Step 6: Final answer
    x = 41,700.18

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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.