Home / 81,717.44-122,465.43-42,302.23

Finding the Fourth Proportional to 81,717.44, 122,465.43 and 42,302.23

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Solution

The fourth proportional to 81,717.44, 122,465.43 and 42,302.23 is: 63,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717.44 : 122,465.43 = 42,302.23 : x
  2. Step 2: Convert to fraction form
    81,717.44/122,465.43 = 42,302.23/x
  3. Step 3: Cross multiply
    81,717.44x = 122,465.43 × 42,302.23
  4. Step 4: Simplify right side
    81,717.44x = 5,180,560,174.58
  5. Step 5: Solve for x
    x = 5,180,560,174.58/81,717.44
  6. Step 6: Final answer
    x = 63,396.02

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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.