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Finding the Fourth Proportional to 71,101.44, 106,683.30 and 33,688.22

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Solution

The fourth proportional to 71,101.44, 106,683.30 and 33,688.22 is: 50,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,101.44 : 106,683.30 = 33,688.22 : x
  2. Step 2: Convert to fraction form
    71,101.44/106,683.30 = 33,688.22/x
  3. Step 3: Cross multiply
    71,101.44x = 106,683.30 × 33,688.22
  4. Step 4: Simplify right side
    71,101.44x = 3,593,969,947.31
  5. Step 5: Solve for x
    x = 3,593,969,947.31/71,101.44
  6. Step 6: Final answer
    x = 50,547.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.