Home / 121,794.84-182,784.60-51,723.36

Finding the Fourth Proportional to 121,794.84, 182,784.60 and 51,723.36

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Solution

The fourth proportional to 121,794.84, 182,784.60 and 51,723.36 is: 77,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,794.84 : 182,784.60 = 51,723.36 : x
  2. Step 2: Convert to fraction form
    121,794.84/182,784.60 = 51,723.36/x
  3. Step 3: Cross multiply
    121,794.84x = 182,784.60 × 51,723.36
  4. Step 4: Simplify right side
    121,794.84x = 9,454,233,668.26
  5. Step 5: Solve for x
    x = 9,454,233,668.26/121,794.84
  6. Step 6: Final answer
    x = 77,624.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.