Home / 82,857.79-124,291.62-25,942.36

Finding the Fourth Proportional to 82,857.79, 124,291.62 and 25,942.36

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Solution

The fourth proportional to 82,857.79, 124,291.62 and 25,942.36 is: 38,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,857.79 : 124,291.62 = 25,942.36 : x
  2. Step 2: Convert to fraction form
    82,857.79/124,291.62 = 25,942.36/x
  3. Step 3: Cross multiply
    82,857.79x = 124,291.62 × 25,942.36
  4. Step 4: Simplify right side
    82,857.79x = 3,224,417,199.85
  5. Step 5: Solve for x
    x = 3,224,417,199.85/82,857.79
  6. Step 6: Final answer
    x = 38,915.08

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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.