Home / 74,767.45-112,118.36-27,987.52

Finding the Fourth Proportional to 74,767.45, 112,118.36 and 27,987.52

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Solution

The fourth proportional to 74,767.45, 112,118.36 and 27,987.52 is: 41,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,767.45 : 112,118.36 = 27,987.52 : x
  2. Step 2: Convert to fraction form
    74,767.45/112,118.36 = 27,987.52/x
  3. Step 3: Cross multiply
    74,767.45x = 112,118.36 × 27,987.52
  4. Step 4: Simplify right side
    74,767.45x = 3,137,914,632.54
  5. Step 5: Solve for x
    x = 3,137,914,632.54/74,767.45
  6. Step 6: Final answer
    x = 41,969.00

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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.