Home / 93,982.86-129,868.04-68,444.78

Finding the Fourth Proportional to 93,982.86, 129,868.04 and 68,444.78

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Solution

The fourth proportional to 93,982.86, 129,868.04 and 68,444.78 is: 94,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,982.86 : 129,868.04 = 68,444.78 : x
  2. Step 2: Convert to fraction form
    93,982.86/129,868.04 = 68,444.78/x
  3. Step 3: Cross multiply
    93,982.86x = 129,868.04 × 68,444.78
  4. Step 4: Simplify right side
    93,982.86x = 8,888,788,948.60
  5. Step 5: Solve for x
    x = 8,888,788,948.60/93,982.86
  6. Step 6: Final answer
    x = 94,578.83

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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.