Home / 111,949.48-154,420.86-66,596.77

Finding the Fourth Proportional to 111,949.48, 154,420.86 and 66,596.77

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Solution

The fourth proportional to 111,949.48, 154,420.86 and 66,596.77 is: 91,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,949.48 : 154,420.86 = 66,596.77 : x
  2. Step 2: Convert to fraction form
    111,949.48/154,420.86 = 66,596.77/x
  3. Step 3: Cross multiply
    111,949.48x = 154,420.86 × 66,596.77
  4. Step 4: Simplify right side
    111,949.48x = 10,283,930,496.62
  5. Step 5: Solve for x
    x = 10,283,930,496.62/111,949.48
  6. Step 6: Final answer
    x = 91,862.24

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1.5x scale

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.