Home / 86,346.72-129,443.40-33,744.24

Finding the Fourth Proportional to 86,346.72, 129,443.40 and 33,744.24

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Solution

The fourth proportional to 86,346.72, 129,443.40 and 33,744.24 is: 50,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346.72 : 129,443.40 = 33,744.24 : x
  2. Step 2: Convert to fraction form
    86,346.72/129,443.40 = 33,744.24/x
  3. Step 3: Cross multiply
    86,346.72x = 129,443.40 × 33,744.24
  4. Step 4: Simplify right side
    86,346.72x = 4,367,969,156.02
  5. Step 5: Solve for x
    x = 4,367,969,156.02/86,346.72
  6. Step 6: Final answer
    x = 50,586.39

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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.