Home / 60,991.22-84,206.09-39,196.34

Finding the Fourth Proportional to 60,991.22, 84,206.09 and 39,196.34

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Solution

The fourth proportional to 60,991.22, 84,206.09 and 39,196.34 is: 54,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,991.22 : 84,206.09 = 39,196.34 : x
  2. Step 2: Convert to fraction form
    60,991.22/84,206.09 = 39,196.34/x
  3. Step 3: Cross multiply
    60,991.22x = 84,206.09 × 39,196.34
  4. Step 4: Simplify right side
    60,991.22x = 3,300,569,916.70
  5. Step 5: Solve for x
    x = 3,300,569,916.70/60,991.22
  6. Step 6: Final answer
    x = 54,115.49

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1.5x scale

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.