Home / 109,769.16-151,481.60-59,468.16

Finding the Fourth Proportional to 109,769.16, 151,481.60 and 59,468.16

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Solution

The fourth proportional to 109,769.16, 151,481.60 and 59,468.16 is: 82,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,769.16 : 151,481.60 = 59,468.16 : x
  2. Step 2: Convert to fraction form
    109,769.16/151,481.60 = 59,468.16/x
  3. Step 3: Cross multiply
    109,769.16x = 151,481.60 × 59,468.16
  4. Step 4: Simplify right side
    109,769.16x = 9,008,331,728.52
  5. Step 5: Solve for x
    x = 9,008,331,728.52/109,769.16
  6. Step 6: Final answer
    x = 82,066.14

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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.