Home / 91,962.29-126,908.15-51,676.13

Finding the Fourth Proportional to 91,962.29, 126,908.15 and 51,676.13

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Solution

The fourth proportional to 91,962.29, 126,908.15 and 51,676.13 is: 71,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.29 : 126,908.15 = 51,676.13 : x
  2. Step 2: Convert to fraction form
    91,962.29/126,908.15 = 51,676.13/x
  3. Step 3: Cross multiply
    91,962.29x = 126,908.15 × 51,676.13
  4. Step 4: Simplify right side
    91,962.29x = 6,558,121,164.54
  5. Step 5: Solve for x
    x = 6,558,121,164.54/91,962.29
  6. Step 6: Final answer
    x = 71,313.16

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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.