Home / 111,581.74-167,400.94-51,653.42

Finding the Fourth Proportional to 111,581.74, 167,400.94 and 51,653.42

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Solution

The fourth proportional to 111,581.74, 167,400.94 and 51,653.42 is: 77,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,581.74 : 167,400.94 = 51,653.42 : x
  2. Step 2: Convert to fraction form
    111,581.74/167,400.94 = 51,653.42/x
  3. Step 3: Cross multiply
    111,581.74x = 167,400.94 × 51,653.42
  4. Step 4: Simplify right side
    111,581.74x = 8,646,831,062.21
  5. Step 5: Solve for x
    x = 8,646,831,062.21/111,581.74
  6. Step 6: Final answer
    x = 77,493.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.