Home / 111,636.16-154,057.26-60,648.48

Finding the Fourth Proportional to 111,636.16, 154,057.26 and 60,648.48

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Solution

The fourth proportional to 111,636.16, 154,057.26 and 60,648.48 is: 83,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,636.16 : 154,057.26 = 60,648.48 : x
  2. Step 2: Convert to fraction form
    111,636.16/154,057.26 = 60,648.48/x
  3. Step 3: Cross multiply
    111,636.16x = 154,057.26 × 60,648.48
  4. Step 4: Simplify right side
    111,636.16x = 9,343,338,651.96
  5. Step 5: Solve for x
    x = 9,343,338,651.96/111,636.16
  6. Step 6: Final answer
    x = 83,694.55

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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.