Home / 86,318.28-129,399.72-33,714.84

Finding the Fourth Proportional to 86,318.28, 129,399.72 and 33,714.84

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Solution

The fourth proportional to 86,318.28, 129,399.72 and 33,714.84 is: 50,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.28 : 129,399.72 = 33,714.84 : x
  2. Step 2: Convert to fraction form
    86,318.28/129,399.72 = 33,714.84/x
  3. Step 3: Cross multiply
    86,318.28x = 129,399.72 × 33,714.84
  4. Step 4: Simplify right side
    86,318.28x = 4,362,690,855.84
  5. Step 5: Solve for x
    x = 4,362,690,855.84/86,318.28
  6. Step 6: Final answer
    x = 50,541.91

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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.