Home / 67,678.11-93,364.80-43,812.48

Finding the Fourth Proportional to 67,678.11, 93,364.80 and 43,812.48

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Solution

The fourth proportional to 67,678.11, 93,364.80 and 43,812.48 is: 60,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,678.11 : 93,364.80 = 43,812.48 : x
  2. Step 2: Convert to fraction form
    67,678.11/93,364.80 = 43,812.48/x
  3. Step 3: Cross multiply
    67,678.11x = 93,364.80 × 43,812.48
  4. Step 4: Simplify right side
    67,678.11x = 4,090,543,432.70
  5. Step 5: Solve for x
    x = 4,090,543,432.70/67,678.11
  6. Step 6: Final answer
    x = 60,441.16

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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.