Home / 68,577.78-94,649.67-40,285.02

Finding the Fourth Proportional to 68,577.78, 94,649.67 and 40,285.02

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Solution

The fourth proportional to 68,577.78, 94,649.67 and 40,285.02 is: 55,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,577.78 : 94,649.67 = 40,285.02 : x
  2. Step 2: Convert to fraction form
    68,577.78/94,649.67 = 40,285.02/x
  3. Step 3: Cross multiply
    68,577.78x = 94,649.67 × 40,285.02
  4. Step 4: Simplify right side
    68,577.78x = 3,812,963,848.94
  5. Step 5: Solve for x
    x = 3,812,963,848.94/68,577.78
  6. Step 6: Final answer
    x = 55,600.57

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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.