Home / 64,399.36-88,874.40-36,103.36

Finding the Fourth Proportional to 64,399.36, 88,874.40 and 36,103.36

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Solution

The fourth proportional to 64,399.36, 88,874.40 and 36,103.36 is: 49,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.36 : 88,874.40 = 36,103.36 : x
  2. Step 2: Convert to fraction form
    64,399.36/88,874.40 = 36,103.36/x
  3. Step 3: Cross multiply
    64,399.36x = 88,874.40 × 36,103.36
  4. Step 4: Simplify right side
    64,399.36x = 3,208,664,457.98
  5. Step 5: Solve for x
    x = 3,208,664,457.98/64,399.36
  6. Step 6: Final answer
    x = 49,824.48

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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.