Home / 86,562.90-129,765.98-33,958.26

Finding the Fourth Proportional to 86,562.90, 129,765.98 and 33,958.26

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Solution

The fourth proportional to 86,562.90, 129,765.98 and 33,958.26 is: 50,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.90 : 129,765.98 = 33,958.26 : x
  2. Step 2: Convert to fraction form
    86,562.90/129,765.98 = 33,958.26/x
  3. Step 3: Cross multiply
    86,562.90x = 129,765.98 × 33,958.26
  4. Step 4: Simplify right side
    86,562.90x = 4,406,626,887.99
  5. Step 5: Solve for x
    x = 4,406,626,887.99/86,562.90
  6. Step 6: Final answer
    x = 50,906.65

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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.