Home / 86,207.40-129,262.32-33,556.32

Finding the Fourth Proportional to 86,207.40, 129,262.32 and 33,556.32

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Solution

The fourth proportional to 86,207.40, 129,262.32 and 33,556.32 is: 50,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.40 : 129,262.32 = 33,556.32 : x
  2. Step 2: Convert to fraction form
    86,207.40/129,262.32 = 33,556.32/x
  3. Step 3: Cross multiply
    86,207.40x = 129,262.32 × 33,556.32
  4. Step 4: Simplify right side
    86,207.40x = 4,337,567,773.86
  5. Step 5: Solve for x
    x = 4,337,567,773.86/86,207.40
  6. Step 6: Final answer
    x = 50,315.49

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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.