Home / 86,394.08-129,607.46-33,800.24

Finding the Fourth Proportional to 86,394.08, 129,607.46 and 33,800.24

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Solution

The fourth proportional to 86,394.08, 129,607.46 and 33,800.24 is: 50,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,394.08 : 129,607.46 = 33,800.24 : x
  2. Step 2: Convert to fraction form
    86,394.08/129,607.46 = 33,800.24/x
  3. Step 3: Cross multiply
    86,394.08x = 129,607.46 × 33,800.24
  4. Step 4: Simplify right side
    86,394.08x = 4,380,763,253.79
  5. Step 5: Solve for x
    x = 4,380,763,253.79/86,394.08
  6. Step 6: Final answer
    x = 50,706.75

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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.