Home / 74,687.08-112,006.24-27,291.28

Finding the Fourth Proportional to 74,687.08, 112,006.24 and 27,291.28

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Solution

The fourth proportional to 74,687.08, 112,006.24 and 27,291.28 is: 40,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.08 : 112,006.24 = 27,291.28 : x
  2. Step 2: Convert to fraction form
    74,687.08/112,006.24 = 27,291.28/x
  3. Step 3: Cross multiply
    74,687.08x = 112,006.24 × 27,291.28
  4. Step 4: Simplify right side
    74,687.08x = 3,056,793,657.59
  5. Step 5: Solve for x
    x = 3,056,793,657.59/74,687.08
  6. Step 6: Final answer
    x = 40,928.01

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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.