Home / 64,042.20-88,376.40-35,747.28

Finding the Fourth Proportional to 64,042.20, 88,376.40 and 35,747.28

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Solution

The fourth proportional to 64,042.20, 88,376.40 and 35,747.28 is: 49,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,042.20 : 88,376.40 = 35,747.28 : x
  2. Step 2: Convert to fraction form
    64,042.20/88,376.40 = 35,747.28/x
  3. Step 3: Cross multiply
    64,042.20x = 88,376.40 × 35,747.28
  4. Step 4: Simplify right side
    64,042.20x = 3,159,215,916.19
  5. Step 5: Solve for x
    x = 3,159,215,916.19/64,042.20
  6. Step 6: Final answer
    x = 49,330.22

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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.