Home / 111,864.16-154,375.64-60,877.36

Finding the Fourth Proportional to 111,864.16, 154,375.64 and 60,877.36

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Solution

The fourth proportional to 111,864.16, 154,375.64 and 60,877.36 is: 84,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,864.16 : 154,375.64 = 60,877.36 : x
  2. Step 2: Convert to fraction form
    111,864.16/154,375.64 = 60,877.36/x
  3. Step 3: Cross multiply
    111,864.16x = 154,375.64 × 60,877.36
  4. Step 4: Simplify right side
    111,864.16x = 9,397,981,411.51
  5. Step 5: Solve for x
    x = 9,397,981,411.51/111,864.16
  6. Step 6: Final answer
    x = 84,012.44

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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.