Home / 83,670.02-115,464.38-50,136.02

Finding the Fourth Proportional to 83,670.02, 115,464.38 and 50,136.02

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Solution

The fourth proportional to 83,670.02, 115,464.38 and 50,136.02 is: 69,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.02 : 115,464.38 = 50,136.02 : x
  2. Step 2: Convert to fraction form
    83,670.02/115,464.38 = 50,136.02/x
  3. Step 3: Cross multiply
    83,670.02x = 115,464.38 × 50,136.02
  4. Step 4: Simplify right side
    83,670.02x = 5,788,924,464.97
  5. Step 5: Solve for x
    x = 5,788,924,464.97/83,670.02
  6. Step 6: Final answer
    x = 69,187.56

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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.