Home / 53,701.44-74,078.13-49,900.17

Finding the Fourth Proportional to 53,701.44, 74,078.13 and 49,900.17

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Solution

The fourth proportional to 53,701.44, 74,078.13 and 49,900.17 is: 68,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.44 : 74,078.13 = 49,900.17 : x
  2. Step 2: Convert to fraction form
    53,701.44/74,078.13 = 49,900.17/x
  3. Step 3: Cross multiply
    53,701.44x = 74,078.13 × 49,900.17
  4. Step 4: Simplify right side
    53,701.44x = 3,696,511,280.28
  5. Step 5: Solve for x
    x = 3,696,511,280.28/53,701.44
  6. Step 6: Final answer
    x = 68,834.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.