Home / 89,247.09-133,827.54-51,816.60

Finding the Fourth Proportional to 89,247.09, 133,827.54 and 51,816.60

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Solution

The fourth proportional to 89,247.09, 133,827.54 and 51,816.60 is: 77,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.09 : 133,827.54 = 51,816.60 : x
  2. Step 2: Convert to fraction form
    89,247.09/133,827.54 = 51,816.60/x
  3. Step 3: Cross multiply
    89,247.09x = 133,827.54 × 51,816.60
  4. Step 4: Simplify right side
    89,247.09x = 6,934,488,109.16
  5. Step 5: Solve for x
    x = 6,934,488,109.16/89,247.09
  6. Step 6: Final answer
    x = 77,699.88

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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.