Home / 111,633.26-154,053.28-60,645.58

Finding the Fourth Proportional to 111,633.26, 154,053.28 and 60,645.58

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Solution

The fourth proportional to 111,633.26, 154,053.28 and 60,645.58 is: 83,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,633.26 : 154,053.28 = 60,645.58 : x
  2. Step 2: Convert to fraction form
    111,633.26/154,053.28 = 60,645.58/x
  3. Step 3: Cross multiply
    111,633.26x = 154,053.28 × 60,645.58
  4. Step 4: Simplify right side
    111,633.26x = 9,342,649,979.76
  5. Step 5: Solve for x
    x = 9,342,649,979.76/111,633.26
  6. Step 6: Final answer
    x = 83,690.56

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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.