Home / 86,915.54-130,399.57-36,339.14

Finding the Fourth Proportional to 86,915.54, 130,399.57 and 36,339.14

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Solution

The fourth proportional to 86,915.54, 130,399.57 and 36,339.14 is: 54,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,915.54 : 130,399.57 = 36,339.14 : x
  2. Step 2: Convert to fraction form
    86,915.54/130,399.57 = 36,339.14/x
  3. Step 3: Cross multiply
    86,915.54x = 130,399.57 × 36,339.14
  4. Step 4: Simplify right side
    86,915.54x = 4,738,608,230.17
  5. Step 5: Solve for x
    x = 4,738,608,230.17/86,915.54
  6. Step 6: Final answer
    x = 54,519.69

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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.