Home / 109,468.44-151,066.66-61,721.68

Finding the Fourth Proportional to 109,468.44, 151,066.66 and 61,721.68

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Solution

The fourth proportional to 109,468.44, 151,066.66 and 61,721.68 is: 85,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,468.44 : 151,066.66 = 61,721.68 : x
  2. Step 2: Convert to fraction form
    109,468.44/151,066.66 = 61,721.68/x
  3. Step 3: Cross multiply
    109,468.44x = 151,066.66 × 61,721.68
  4. Step 4: Simplify right side
    109,468.44x = 9,324,088,047.19
  5. Step 5: Solve for x
    x = 9,324,088,047.19/109,468.44
  6. Step 6: Final answer
    x = 85,176.04

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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.