Home / 111,519.01-153,896.33-60,531.78

Finding the Fourth Proportional to 111,519.01, 153,896.33 and 60,531.78

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Solution

The fourth proportional to 111,519.01, 153,896.33 and 60,531.78 is: 83,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,519.01 : 153,896.33 = 60,531.78 : x
  2. Step 2: Convert to fraction form
    111,519.01/153,896.33 = 60,531.78/x
  3. Step 3: Cross multiply
    111,519.01x = 153,896.33 × 60,531.78
  4. Step 4: Simplify right side
    111,519.01x = 9,315,618,941.70
  5. Step 5: Solve for x
    x = 9,315,618,941.70/111,519.01
  6. Step 6: Final answer
    x = 83,533.91

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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.