Home / 60,942.20-84,136.56-38,300.36

Finding the Fourth Proportional to 60,942.20, 84,136.56 and 38,300.36

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Solution

The fourth proportional to 60,942.20, 84,136.56 and 38,300.36 is: 52,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,942.20 : 84,136.56 = 38,300.36 : x
  2. Step 2: Convert to fraction form
    60,942.20/84,136.56 = 38,300.36/x
  3. Step 3: Cross multiply
    60,942.20x = 84,136.56 × 38,300.36
  4. Step 4: Simplify right side
    60,942.20x = 3,222,460,537.16
  5. Step 5: Solve for x
    x = 3,222,460,537.16/60,942.20
  6. Step 6: Final answer
    x = 52,877.33

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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.