Home / 74,515.06-111,779.88-27,143.02

Finding the Fourth Proportional to 74,515.06, 111,779.88 and 27,143.02

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Solution

The fourth proportional to 74,515.06, 111,779.88 and 27,143.02 is: 40,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.06 : 111,779.88 = 27,143.02 : x
  2. Step 2: Convert to fraction form
    74,515.06/111,779.88 = 27,143.02/x
  3. Step 3: Cross multiply
    74,515.06x = 111,779.88 × 27,143.02
  4. Step 4: Simplify right side
    74,515.06x = 3,034,043,518.44
  5. Step 5: Solve for x
    x = 3,034,043,518.44/74,515.06
  6. Step 6: Final answer
    x = 40,717.19

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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.