Home / 79,180.65-109,274.49-51,973.02

Finding the Fourth Proportional to 79,180.65, 109,274.49 and 51,973.02

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Solution

The fourth proportional to 79,180.65, 109,274.49 and 51,973.02 is: 71,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.65 : 109,274.49 = 51,973.02 : x
  2. Step 2: Convert to fraction form
    79,180.65/109,274.49 = 51,973.02/x
  3. Step 3: Cross multiply
    79,180.65x = 109,274.49 × 51,973.02
  4. Step 4: Simplify right side
    79,180.65x = 5,679,325,254.26
  5. Step 5: Solve for x
    x = 5,679,325,254.26/79,180.65
  6. Step 6: Final answer
    x = 71,726.18

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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.