Home / 53,787.64-74,227.26-31,126.64

Finding the Fourth Proportional to 53,787.64, 74,227.26 and 31,126.64

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Solution

The fourth proportional to 53,787.64, 74,227.26 and 31,126.64 is: 42,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.64 : 74,227.26 = 31,126.64 : x
  2. Step 2: Convert to fraction form
    53,787.64/74,227.26 = 31,126.64/x
  3. Step 3: Cross multiply
    53,787.64x = 74,227.26 × 31,126.64
  4. Step 4: Simplify right side
    53,787.64x = 2,310,445,200.21
  5. Step 5: Solve for x
    x = 2,310,445,200.21/53,787.64
  6. Step 6: Final answer
    x = 42,954.95

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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.