Home / 45,696.34-68,509.77-31,618.95

Finding the Fourth Proportional to 45,696.34, 68,509.77 and 31,618.95

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Solution

The fourth proportional to 45,696.34, 68,509.77 and 31,618.95 is: 47,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,696.34 : 68,509.77 = 31,618.95 : x
  2. Step 2: Convert to fraction form
    45,696.34/68,509.77 = 31,618.95/x
  3. Step 3: Cross multiply
    45,696.34x = 68,509.77 × 31,618.95
  4. Step 4: Simplify right side
    45,696.34x = 2,166,206,992.14
  5. Step 5: Solve for x
    x = 2,166,206,992.14/45,696.34
  6. Step 6: Final answer
    x = 47,404.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.