Home / 91,837.92-126,738.18-51,554.64

Finding the Fourth Proportional to 91,837.92, 126,738.18 and 51,554.64

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Solution

The fourth proportional to 91,837.92, 126,738.18 and 51,554.64 is: 71,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837.92 : 126,738.18 = 51,554.64 : x
  2. Step 2: Convert to fraction form
    91,837.92/126,738.18 = 51,554.64/x
  3. Step 3: Cross multiply
    91,837.92x = 126,738.18 × 51,554.64
  4. Step 4: Simplify right side
    91,837.92x = 6,533,941,244.16
  5. Step 5: Solve for x
    x = 6,533,941,244.16/91,837.92
  6. Step 6: Final answer
    x = 71,146.44

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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.