Home / 67,812.34-93,583.25-40,949.45

Finding the Fourth Proportional to 67,812.34, 93,583.25 and 40,949.45

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Solution

The fourth proportional to 67,812.34, 93,583.25 and 40,949.45 is: 56,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,812.34 : 93,583.25 = 40,949.45 : x
  2. Step 2: Convert to fraction form
    67,812.34/93,583.25 = 40,949.45/x
  3. Step 3: Cross multiply
    67,812.34x = 93,583.25 × 40,949.45
  4. Step 4: Simplify right side
    67,812.34x = 3,832,182,448.55
  5. Step 5: Solve for x
    x = 3,832,182,448.55/67,812.34
  6. Step 6: Final answer
    x = 56,511.58

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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.