Home / 84,899.22-127,269.63-28,700.25

Finding the Fourth Proportional to 84,899.22, 127,269.63 and 28,700.25

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Solution

The fourth proportional to 84,899.22, 127,269.63 and 28,700.25 is: 43,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.22 : 127,269.63 = 28,700.25 : x
  2. Step 2: Convert to fraction form
    84,899.22/127,269.63 = 28,700.25/x
  3. Step 3: Cross multiply
    84,899.22x = 127,269.63 × 28,700.25
  4. Step 4: Simplify right side
    84,899.22x = 3,652,670,198.41
  5. Step 5: Solve for x
    x = 3,652,670,198.41/84,899.22
  6. Step 6: Final answer
    x = 43,023.60

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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.