Home / 92,072.57-126,987.96-63,018.16

Finding the Fourth Proportional to 92,072.57, 126,987.96 and 63,018.16

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Solution

The fourth proportional to 92,072.57, 126,987.96 and 63,018.16 is: 86,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,072.57 : 126,987.96 = 63,018.16 : x
  2. Step 2: Convert to fraction form
    92,072.57/126,987.96 = 63,018.16/x
  3. Step 3: Cross multiply
    92,072.57x = 126,987.96 × 63,018.16
  4. Step 4: Simplify right side
    92,072.57x = 8,002,546,946.41
  5. Step 5: Solve for x
    x = 8,002,546,946.41/92,072.57
  6. Step 6: Final answer
    x = 86,915.65

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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.