Home / 74,535.16-111,724.96-30,192.52

Finding the Fourth Proportional to 74,535.16, 111,724.96 and 30,192.52

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Solution

The fourth proportional to 74,535.16, 111,724.96 and 30,192.52 is: 45,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.16 : 111,724.96 = 30,192.52 : x
  2. Step 2: Convert to fraction form
    74,535.16/111,724.96 = 30,192.52/x
  3. Step 3: Cross multiply
    74,535.16x = 111,724.96 × 30,192.52
  4. Step 4: Simplify right side
    74,535.16x = 3,373,258,089.30
  5. Step 5: Solve for x
    x = 3,373,258,089.30/74,535.16
  6. Step 6: Final answer
    x = 45,257.27

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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.