Home / 86,913.52-130,369.20-27,748.42

Finding the Fourth Proportional to 86,913.52, 130,369.20 and 27,748.42

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Solution

The fourth proportional to 86,913.52, 130,369.20 and 27,748.42 is: 41,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.52 : 130,369.20 = 27,748.42 : x
  2. Step 2: Convert to fraction form
    86,913.52/130,369.20 = 27,748.42/x
  3. Step 3: Cross multiply
    86,913.52x = 130,369.20 × 27,748.42
  4. Step 4: Simplify right side
    86,913.52x = 3,617,539,316.66
  5. Step 5: Solve for x
    x = 3,617,539,316.66/86,913.52
  6. Step 6: Final answer
    x = 41,622.29

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1.5x scale

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.