Home / 68,724.51-94,838.22-40,432.02

Finding the Fourth Proportional to 68,724.51, 94,838.22 and 40,432.02

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Solution

The fourth proportional to 68,724.51, 94,838.22 and 40,432.02 is: 55,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.51 : 94,838.22 = 40,432.02 : x
  2. Step 2: Convert to fraction form
    68,724.51/94,838.22 = 40,432.02/x
  3. Step 3: Cross multiply
    68,724.51x = 94,838.22 × 40,432.02
  4. Step 4: Simplify right side
    68,724.51x = 3,834,500,807.80
  5. Step 5: Solve for x
    x = 3,834,500,807.80/68,724.51
  6. Step 6: Final answer
    x = 55,795.24

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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.