Home / 65,171.13-89,979.71-43,942.65

Finding the Fourth Proportional to 65,171.13, 89,979.71 and 43,942.65

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Solution

The fourth proportional to 65,171.13, 89,979.71 and 43,942.65 is: 60,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171.13 : 89,979.71 = 43,942.65 : x
  2. Step 2: Convert to fraction form
    65,171.13/89,979.71 = 43,942.65/x
  3. Step 3: Cross multiply
    65,171.13x = 89,979.71 × 43,942.65
  4. Step 4: Simplify right side
    65,171.13x = 3,953,946,683.92
  5. Step 5: Solve for x
    x = 3,953,946,683.92/65,171.13
  6. Step 6: Final answer
    x = 60,670.22

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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.