Home / 78,926.06-108,925.46-43,121.46

Finding the Fourth Proportional to 78,926.06, 108,925.46 and 43,121.46

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Solution

The fourth proportional to 78,926.06, 108,925.46 and 43,121.46 is: 59,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.06 : 108,925.46 = 43,121.46 : x
  2. Step 2: Convert to fraction form
    78,926.06/108,925.46 = 43,121.46/x
  3. Step 3: Cross multiply
    78,926.06x = 108,925.46 × 43,121.46
  4. Step 4: Simplify right side
    78,926.06x = 4,697,025,220.94
  5. Step 5: Solve for x
    x = 4,697,025,220.94/78,926.06
  6. Step 6: Final answer
    x = 59,511.71

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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.