Home / 74,154.48-111,231.72-34,739.28

Finding the Fourth Proportional to 74,154.48, 111,231.72 and 34,739.28

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Solution

The fourth proportional to 74,154.48, 111,231.72 and 34,739.28 is: 52,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.48 : 111,231.72 = 34,739.28 : x
  2. Step 2: Convert to fraction form
    74,154.48/111,231.72 = 34,739.28/x
  3. Step 3: Cross multiply
    74,154.48x = 111,231.72 × 34,739.28
  4. Step 4: Simplify right side
    74,154.48x = 3,864,109,865.96
  5. Step 5: Solve for x
    x = 3,864,109,865.96/74,154.48
  6. Step 6: Final answer
    x = 52,108.92

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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.