Home / 111,996.36-154,547.64-61,695.36

Finding the Fourth Proportional to 111,996.36, 154,547.64 and 61,695.36

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Solution

The fourth proportional to 111,996.36, 154,547.64 and 61,695.36 is: 85,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,996.36 : 154,547.64 = 61,695.36 : x
  2. Step 2: Convert to fraction form
    111,996.36/154,547.64 = 61,695.36/x
  3. Step 3: Cross multiply
    111,996.36x = 154,547.64 × 61,695.36
  4. Step 4: Simplify right side
    111,996.36x = 9,534,872,286.95
  5. Step 5: Solve for x
    x = 9,534,872,286.95/111,996.36
  6. Step 6: Final answer
    x = 85,135.56

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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.