Home / 97,042.30-133,979.88-66,466.69

Finding the Fourth Proportional to 97,042.30, 133,979.88 and 66,466.69

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Solution

The fourth proportional to 97,042.30, 133,979.88 and 66,466.69 is: 91,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,042.30 : 133,979.88 = 66,466.69 : x
  2. Step 2: Convert to fraction form
    97,042.30/133,979.88 = 66,466.69/x
  3. Step 3: Cross multiply
    97,042.30x = 133,979.88 × 66,466.69
  4. Step 4: Simplify right side
    97,042.30x = 8,905,199,150.20
  5. Step 5: Solve for x
    x = 8,905,199,150.20/97,042.30
  6. Step 6: Final answer
    x = 91,766.16

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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.