Home / 86,256.90-129,308.40-33,654.15

Finding the Fourth Proportional to 86,256.90, 129,308.40 and 33,654.15

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Solution

The fourth proportional to 86,256.90, 129,308.40 and 33,654.15 is: 50,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.90 : 129,308.40 = 33,654.15 : x
  2. Step 2: Convert to fraction form
    86,256.90/129,308.40 = 33,654.15/x
  3. Step 3: Cross multiply
    86,256.90x = 129,308.40 × 33,654.15
  4. Step 4: Simplify right side
    86,256.90x = 4,351,764,289.86
  5. Step 5: Solve for x
    x = 4,351,764,289.86/86,256.90
  6. Step 6: Final answer
    x = 50,451.20

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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.