Home / 86,337.56-129,454.38-33,771.80

Finding the Fourth Proportional to 86,337.56, 129,454.38 and 33,771.80

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Solution

The fourth proportional to 86,337.56, 129,454.38 and 33,771.80 is: 50,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337.56 : 129,454.38 = 33,771.80 : x
  2. Step 2: Convert to fraction form
    86,337.56/129,454.38 = 33,771.80/x
  3. Step 3: Cross multiply
    86,337.56x = 129,454.38 × 33,771.80
  4. Step 4: Simplify right side
    86,337.56x = 4,371,907,430.48
  5. Step 5: Solve for x
    x = 4,371,907,430.48/86,337.56
  6. Step 6: Final answer
    x = 50,637.38

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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.