Home / 112,814.10-155,642.22-67,493.36

Finding the Fourth Proportional to 112,814.10, 155,642.22 and 67,493.36

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Solution

The fourth proportional to 112,814.10, 155,642.22 and 67,493.36 is: 93,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,814.10 : 155,642.22 = 67,493.36 : x
  2. Step 2: Convert to fraction form
    112,814.10/155,642.22 = 67,493.36/x
  3. Step 3: Cross multiply
    112,814.10x = 155,642.22 × 67,493.36
  4. Step 4: Simplify right side
    112,814.10x = 10,504,816,385.66
  5. Step 5: Solve for x
    x = 10,504,816,385.66/112,814.10
  6. Step 6: Final answer
    x = 93,116.17

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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.