Home / 111,583.20-153,986.04-63,838.56

Finding the Fourth Proportional to 111,583.20, 153,986.04 and 63,838.56

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Solution

The fourth proportional to 111,583.20, 153,986.04 and 63,838.56 is: 88,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,583.20 : 153,986.04 = 63,838.56 : x
  2. Step 2: Convert to fraction form
    111,583.20/153,986.04 = 63,838.56/x
  3. Step 3: Cross multiply
    111,583.20x = 153,986.04 × 63,838.56
  4. Step 4: Simplify right side
    111,583.20x = 9,830,247,053.70
  5. Step 5: Solve for x
    x = 9,830,247,053.70/111,583.20
  6. Step 6: Final answer
    x = 88,097.91

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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.