Home / 100,327.53-138,456.36-60,033.57

Finding the Fourth Proportional to 100,327.53, 138,456.36 and 60,033.57

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Solution

The fourth proportional to 100,327.53, 138,456.36 and 60,033.57 is: 82,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327.53 : 138,456.36 = 60,033.57 : x
  2. Step 2: Convert to fraction form
    100,327.53/138,456.36 = 60,033.57/x
  3. Step 3: Cross multiply
    100,327.53x = 138,456.36 × 60,033.57
  4. Step 4: Simplify right side
    100,327.53x = 8,312,029,580.01
  5. Step 5: Solve for x
    x = 8,312,029,580.01/100,327.53
  6. Step 6: Final answer
    x = 82,848.94

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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.