Home / 90,130.26-124,388.82-49,847.10

Finding the Fourth Proportional to 90,130.26, 124,388.82 and 49,847.10

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Solution

The fourth proportional to 90,130.26, 124,388.82 and 49,847.10 is: 68,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,130.26 : 124,388.82 = 49,847.10 : x
  2. Step 2: Convert to fraction form
    90,130.26/124,388.82 = 49,847.10/x
  3. Step 3: Cross multiply
    90,130.26x = 124,388.82 × 49,847.10
  4. Step 4: Simplify right side
    90,130.26x = 6,200,421,949.42
  5. Step 5: Solve for x
    x = 6,200,421,949.42/90,130.26
  6. Step 6: Final answer
    x = 68,794.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.