Home / 74,911.08-112,351.41-27,509.88

Finding the Fourth Proportional to 74,911.08, 112,351.41 and 27,509.88

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Solution

The fourth proportional to 74,911.08, 112,351.41 and 27,509.88 is: 41,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911.08 : 112,351.41 = 27,509.88 : x
  2. Step 2: Convert to fraction form
    74,911.08/112,351.41 = 27,509.88/x
  3. Step 3: Cross multiply
    74,911.08x = 112,351.41 × 27,509.88
  4. Step 4: Simplify right side
    74,911.08x = 3,090,773,806.93
  5. Step 5: Solve for x
    x = 3,090,773,806.93/74,911.08
  6. Step 6: Final answer
    x = 41,259.23

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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.