Home / 79,228.26-109,335.86-43,417.50

Finding the Fourth Proportional to 79,228.26, 109,335.86 and 43,417.50

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Solution

The fourth proportional to 79,228.26, 109,335.86 and 43,417.50 is: 59,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,228.26 : 109,335.86 = 43,417.50 : x
  2. Step 2: Convert to fraction form
    79,228.26/109,335.86 = 43,417.50/x
  3. Step 3: Cross multiply
    79,228.26x = 109,335.86 × 43,417.50
  4. Step 4: Simplify right side
    79,228.26x = 4,747,089,647.28
  5. Step 5: Solve for x
    x = 4,747,089,647.28/79,228.26
  6. Step 6: Final answer
    x = 59,916.62

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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.