Home / 74,680.30-111,836.01-55,659.33

Finding the Fourth Proportional to 74,680.30, 111,836.01 and 55,659.33

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Solution

The fourth proportional to 74,680.30, 111,836.01 and 55,659.33 is: 83,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.30 : 111,836.01 = 55,659.33 : x
  2. Step 2: Convert to fraction form
    74,680.30/111,836.01 = 55,659.33/x
  3. Step 3: Cross multiply
    74,680.30x = 111,836.01 × 55,659.33
  4. Step 4: Simplify right side
    74,680.30x = 6,224,717,386.47
  5. Step 5: Solve for x
    x = 6,224,717,386.47/74,680.30
  6. Step 6: Final answer
    x = 83,351.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.