Home / 76,863.13-106,071.12-43,329.13

Finding the Fourth Proportional to 76,863.13, 106,071.12 and 43,329.13

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Solution

The fourth proportional to 76,863.13, 106,071.12 and 43,329.13 is: 59,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,863.13 : 106,071.12 = 43,329.13 : x
  2. Step 2: Convert to fraction form
    76,863.13/106,071.12 = 43,329.13/x
  3. Step 3: Cross multiply
    76,863.13x = 106,071.12 × 43,329.13
  4. Step 4: Simplify right side
    76,863.13x = 4,595,968,600.72
  5. Step 5: Solve for x
    x = 4,595,968,600.72/76,863.13
  6. Step 6: Final answer
    x = 59,794.19

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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.