Home / 111,577.03-153,976.28-61,276.03

Finding the Fourth Proportional to 111,577.03, 153,976.28 and 61,276.03

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Solution

The fourth proportional to 111,577.03, 153,976.28 and 61,276.03 is: 84,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,577.03 : 153,976.28 = 61,276.03 : x
  2. Step 2: Convert to fraction form
    111,577.03/153,976.28 = 61,276.03/x
  3. Step 3: Cross multiply
    111,577.03x = 153,976.28 × 61,276.03
  4. Step 4: Simplify right side
    111,577.03x = 9,435,054,846.19
  5. Step 5: Solve for x
    x = 9,435,054,846.19/111,577.03
  6. Step 6: Final answer
    x = 84,560.91

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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.