Home / 111,897.12-154,383.24-63,491.04

Finding the Fourth Proportional to 111,897.12, 154,383.24 and 63,491.04

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Solution

The fourth proportional to 111,897.12, 154,383.24 and 63,491.04 is: 87,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.12 : 154,383.24 = 63,491.04 : x
  2. Step 2: Convert to fraction form
    111,897.12/154,383.24 = 63,491.04/x
  3. Step 3: Cross multiply
    111,897.12x = 154,383.24 × 63,491.04
  4. Step 4: Simplify right side
    111,897.12x = 9,801,952,466.17
  5. Step 5: Solve for x
    x = 9,801,952,466.17/111,897.12
  6. Step 6: Final answer
    x = 87,597.90

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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.