Home / 49,397.95-74,083.71-13,857.15

Finding the Fourth Proportional to 49,397.95, 74,083.71 and 13,857.15

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Solution

The fourth proportional to 49,397.95, 74,083.71 and 13,857.15 is: 20,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,397.95 : 74,083.71 = 13,857.15 : x
  2. Step 2: Convert to fraction form
    49,397.95/74,083.71 = 13,857.15/x
  3. Step 3: Cross multiply
    49,397.95x = 74,083.71 × 13,857.15
  4. Step 4: Simplify right side
    49,397.95x = 1,026,589,203.44
  5. Step 5: Solve for x
    x = 1,026,589,203.44/49,397.95
  6. Step 6: Final answer
    x = 20,782.02

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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.