Home / 111,288-153,577.44-60,985.92

Finding the Fourth Proportional to 111,288, 153,577.44 and 60,985.92

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Solution

The fourth proportional to 111,288, 153,577.44 and 60,985.92 is: 84,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,288 : 153,577.44 = 60,985.92 : x
  2. Step 2: Convert to fraction form
    111,288/153,577.44 = 60,985.92/x
  3. Step 3: Cross multiply
    111,288x = 153,577.44 × 60,985.92
  4. Step 4: Simplify right side
    111,288x = 9,366,061,469.64
  5. Step 5: Solve for x
    x = 9,366,061,469.64/111,288
  6. Step 6: Final answer
    x = 84,160.57

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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.