Home / 111,854.64-154,356.30-60,866.19

Finding the Fourth Proportional to 111,854.64, 154,356.30 and 60,866.19

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Solution

The fourth proportional to 111,854.64, 154,356.30 and 60,866.19 is: 83,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,854.64 : 154,356.30 = 60,866.19 : x
  2. Step 2: Convert to fraction form
    111,854.64/154,356.30 = 60,866.19/x
  3. Step 3: Cross multiply
    111,854.64x = 154,356.30 × 60,866.19
  4. Step 4: Simplify right side
    111,854.64x = 9,395,079,883.50
  5. Step 5: Solve for x
    x = 9,395,079,883.50/111,854.64
  6. Step 6: Final answer
    x = 83,993.65

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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.