Home / 109,670.73-151,342.81-61,273.02

Finding the Fourth Proportional to 109,670.73, 151,342.81 and 61,273.02

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Solution

The fourth proportional to 109,670.73, 151,342.81 and 61,273.02 is: 84,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,670.73 : 151,342.81 = 61,273.02 : x
  2. Step 2: Convert to fraction form
    109,670.73/151,342.81 = 61,273.02/x
  3. Step 3: Cross multiply
    109,670.73x = 151,342.81 × 61,273.02
  4. Step 4: Simplify right side
    109,670.73x = 9,273,231,783.00
  5. Step 5: Solve for x
    x = 9,273,231,783.00/109,670.73
  6. Step 6: Final answer
    x = 84,555.21

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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.