Home / 79,269.29-109,389.25-43,458.07

Finding the Fourth Proportional to 79,269.29, 109,389.25 and 43,458.07

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Solution

The fourth proportional to 79,269.29, 109,389.25 and 43,458.07 is: 59,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.29 : 109,389.25 = 43,458.07 : x
  2. Step 2: Convert to fraction form
    79,269.29/109,389.25 = 43,458.07/x
  3. Step 3: Cross multiply
    79,269.29x = 109,389.25 × 43,458.07
  4. Step 4: Simplify right side
    79,269.29x = 4,753,845,683.75
  5. Step 5: Solve for x
    x = 4,753,845,683.75/79,269.29
  6. Step 6: Final answer
    x = 59,970.84

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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.