Home / 74,244.16-111,191.36-57,469.92

Finding the Fourth Proportional to 74,244.16, 111,191.36 and 57,469.92

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Solution

The fourth proportional to 74,244.16, 111,191.36 and 57,469.92 is: 86,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.16 : 111,191.36 = 57,469.92 : x
  2. Step 2: Convert to fraction form
    74,244.16/111,191.36 = 57,469.92/x
  3. Step 3: Cross multiply
    74,244.16x = 111,191.36 × 57,469.92
  4. Step 4: Simplify right side
    74,244.16x = 6,390,158,563.89
  5. Step 5: Solve for x
    x = 6,390,158,563.89/74,244.16
  6. Step 6: Final answer
    x = 86,069.51

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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.