Home / 68,677.24-94,766.76-38,458.36

Finding the Fourth Proportional to 68,677.24, 94,766.76 and 38,458.36

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Solution

The fourth proportional to 68,677.24, 94,766.76 and 38,458.36 is: 53,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677.24 : 94,766.76 = 38,458.36 : x
  2. Step 2: Convert to fraction form
    68,677.24/94,766.76 = 38,458.36/x
  3. Step 3: Cross multiply
    68,677.24x = 94,766.76 × 38,458.36
  4. Step 4: Simplify right side
    68,677.24x = 3,644,574,172.11
  5. Step 5: Solve for x
    x = 3,644,574,172.11/68,677.24
  6. Step 6: Final answer
    x = 53,068.15

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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.