Home / 53,753.04-74,181.72-29,880.11

Finding the Fourth Proportional to 53,753.04, 74,181.72 and 29,880.11

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Solution

The fourth proportional to 53,753.04, 74,181.72 and 29,880.11 is: 41,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.04 : 74,181.72 = 29,880.11 : x
  2. Step 2: Convert to fraction form
    53,753.04/74,181.72 = 29,880.11/x
  3. Step 3: Cross multiply
    53,753.04x = 74,181.72 × 29,880.11
  4. Step 4: Simplify right side
    53,753.04x = 2,216,557,582.68
  5. Step 5: Solve for x
    x = 2,216,557,582.68/53,753.04
  6. Step 6: Final answer
    x = 41,235.95

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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.