Home / 109,764.67-151,476.41-64,443.19

Finding the Fourth Proportional to 109,764.67, 151,476.41 and 64,443.19

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Solution

The fourth proportional to 109,764.67, 151,476.41 and 64,443.19 is: 88,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.67 : 151,476.41 = 64,443.19 : x
  2. Step 2: Convert to fraction form
    109,764.67/151,476.41 = 64,443.19/x
  3. Step 3: Cross multiply
    109,764.67x = 151,476.41 × 64,443.19
  4. Step 4: Simplify right side
    109,764.67x = 9,761,623,070.15
  5. Step 5: Solve for x
    x = 9,761,623,070.15/109,764.67
  6. Step 6: Final answer
    x = 88,932.29

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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.