Home / 53,787.84-74,218.20-29,911.32

Finding the Fourth Proportional to 53,787.84, 74,218.20 and 29,911.32

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Solution

The fourth proportional to 53,787.84, 74,218.20 and 29,911.32 is: 41,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.84 : 74,218.20 = 29,911.32 : x
  2. Step 2: Convert to fraction form
    53,787.84/74,218.20 = 29,911.32/x
  3. Step 3: Cross multiply
    53,787.84x = 74,218.20 × 29,911.32
  4. Step 4: Simplify right side
    53,787.84x = 2,219,964,330.02
  5. Step 5: Solve for x
    x = 2,219,964,330.02/53,787.84
  6. Step 6: Final answer
    x = 41,272.61

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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.