Home / 111,926.14-154,458.21-61,625.14

Finding the Fourth Proportional to 111,926.14, 154,458.21 and 61,625.14

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Solution

The fourth proportional to 111,926.14, 154,458.21 and 61,625.14 is: 85,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.14 : 154,458.21 = 61,625.14 : x
  2. Step 2: Convert to fraction form
    111,926.14/154,458.21 = 61,625.14/x
  3. Step 3: Cross multiply
    111,926.14x = 154,458.21 × 61,625.14
  4. Step 4: Simplify right side
    111,926.14x = 9,518,508,815.40
  5. Step 5: Solve for x
    x = 9,518,508,815.40/111,926.14
  6. Step 6: Final answer
    x = 85,042.77

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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.