Home / 111,961.44-154,503.69-60,973.08

Finding the Fourth Proportional to 111,961.44, 154,503.69 and 60,973.08

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Solution

The fourth proportional to 111,961.44, 154,503.69 and 60,973.08 is: 84,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,961.44 : 154,503.69 = 60,973.08 : x
  2. Step 2: Convert to fraction form
    111,961.44/154,503.69 = 60,973.08/x
  3. Step 3: Cross multiply
    111,961.44x = 154,503.69 × 60,973.08
  4. Step 4: Simplify right side
    111,961.44x = 9,420,565,850.67
  5. Step 5: Solve for x
    x = 9,420,565,850.67/111,961.44
  6. Step 6: Final answer
    x = 84,141.16

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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.