Home / 111,716.10-154,166.49-61,414.02

Finding the Fourth Proportional to 111,716.10, 154,166.49 and 61,414.02

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Solution

The fourth proportional to 111,716.10, 154,166.49 and 61,414.02 is: 84,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,716.10 : 154,166.49 = 61,414.02 : x
  2. Step 2: Convert to fraction form
    111,716.10/154,166.49 = 61,414.02/x
  3. Step 3: Cross multiply
    111,716.10x = 154,166.49 × 61,414.02
  4. Step 4: Simplify right side
    111,716.10x = 9,467,983,900.19
  5. Step 5: Solve for x
    x = 9,467,983,900.19/111,716.10
  6. Step 6: Final answer
    x = 84,750.40

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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.