Home / 55,787.26-76,964.16-35,638.92

Finding the Fourth Proportional to 55,787.26, 76,964.16 and 35,638.92

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Solution

The fourth proportional to 55,787.26, 76,964.16 and 35,638.92 is: 49,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.26 : 76,964.16 = 35,638.92 : x
  2. Step 2: Convert to fraction form
    55,787.26/76,964.16 = 35,638.92/x
  3. Step 3: Cross multiply
    55,787.26x = 76,964.16 × 35,638.92
  4. Step 4: Simplify right side
    55,787.26x = 2,742,919,541.11
  5. Step 5: Solve for x
    x = 2,742,919,541.11/55,787.26
  6. Step 6: Final answer
    x = 49,167.49

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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.