Home / 68,543.83-94,583.73-40,244.05

Finding the Fourth Proportional to 68,543.83, 94,583.73 and 40,244.05

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Solution

The fourth proportional to 68,543.83, 94,583.73 and 40,244.05 is: 55,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,543.83 : 94,583.73 = 40,244.05 : x
  2. Step 2: Convert to fraction form
    68,543.83/94,583.73 = 40,244.05/x
  3. Step 3: Cross multiply
    68,543.83x = 94,583.73 × 40,244.05
  4. Step 4: Simplify right side
    68,543.83x = 3,806,432,359.31
  5. Step 5: Solve for x
    x = 3,806,432,359.31/68,543.83
  6. Step 6: Final answer
    x = 55,532.82

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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.