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Finding the Fourth Proportional to 64,255.75, 96,389.70 and 22,134.13

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Solution

The fourth proportional to 64,255.75, 96,389.70 and 22,134.13 is: 33,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.75 : 96,389.70 = 22,134.13 : x
  2. Step 2: Convert to fraction form
    64,255.75/96,389.70 = 22,134.13/x
  3. Step 3: Cross multiply
    64,255.75x = 96,389.70 × 22,134.13
  4. Step 4: Simplify right side
    64,255.75x = 2,133,502,150.46
  5. Step 5: Solve for x
    x = 2,133,502,150.46/64,255.75
  6. Step 6: Final answer
    x = 33,203.29

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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.