Home / 64,142.30-88,508.70-35,458.11

Finding the Fourth Proportional to 64,142.30, 88,508.70 and 35,458.11

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Solution

The fourth proportional to 64,142.30, 88,508.70 and 35,458.11 is: 48,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.30 : 88,508.70 = 35,458.11 : x
  2. Step 2: Convert to fraction form
    64,142.30/88,508.70 = 35,458.11/x
  3. Step 3: Cross multiply
    64,142.30x = 88,508.70 × 35,458.11
  4. Step 4: Simplify right side
    64,142.30x = 3,138,351,220.56
  5. Step 5: Solve for x
    x = 3,138,351,220.56/64,142.30
  6. Step 6: Final answer
    x = 48,927.95

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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.