Home / 61,880.12-92,805.31-28,568.19

Finding the Fourth Proportional to 61,880.12, 92,805.31 and 28,568.19

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Solution

The fourth proportional to 61,880.12, 92,805.31 and 28,568.19 is: 42,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.12 : 92,805.31 = 28,568.19 : x
  2. Step 2: Convert to fraction form
    61,880.12/92,805.31 = 28,568.19/x
  3. Step 3: Cross multiply
    61,880.12x = 92,805.31 × 28,568.19
  4. Step 4: Simplify right side
    61,880.12x = 2,651,279,122.22
  5. Step 5: Solve for x
    x = 2,651,279,122.22/61,880.12
  6. Step 6: Final answer
    x = 42,845.41

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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.