Home / 91,797.33-126,681.53-51,519.81

Finding the Fourth Proportional to 91,797.33, 126,681.53 and 51,519.81

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Solution

The fourth proportional to 91,797.33, 126,681.53 and 51,519.81 is: 71,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797.33 : 126,681.53 = 51,519.81 : x
  2. Step 2: Convert to fraction form
    91,797.33/126,681.53 = 51,519.81/x
  3. Step 3: Cross multiply
    91,797.33x = 126,681.53 × 51,519.81
  4. Step 4: Simplify right side
    91,797.33x = 6,526,608,098.51
  5. Step 5: Solve for x
    x = 6,526,608,098.51/91,797.33
  6. Step 6: Final answer
    x = 71,098.02

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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.