Home / 74,156.19-111,248.27-29,786.42

Finding the Fourth Proportional to 74,156.19, 111,248.27 and 29,786.42

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Solution

The fourth proportional to 74,156.19, 111,248.27 and 29,786.42 is: 44,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.19 : 111,248.27 = 29,786.42 : x
  2. Step 2: Convert to fraction form
    74,156.19/111,248.27 = 29,786.42/x
  3. Step 3: Cross multiply
    74,156.19x = 111,248.27 × 29,786.42
  4. Step 4: Simplify right side
    74,156.19x = 3,313,686,989.32
  5. Step 5: Solve for x
    x = 3,313,686,989.32/74,156.19
  6. Step 6: Final answer
    x = 44,685.24

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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.