Home / 57,714.30-86,571.45-47,864.70

Finding the Fourth Proportional to 57,714.30, 86,571.45 and 47,864.70

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Solution

The fourth proportional to 57,714.30, 86,571.45 and 47,864.70 is: 71,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.30 : 86,571.45 = 47,864.70 : x
  2. Step 2: Convert to fraction form
    57,714.30/86,571.45 = 47,864.70/x
  3. Step 3: Cross multiply
    57,714.30x = 86,571.45 × 47,864.70
  4. Step 4: Simplify right side
    57,714.30x = 4,143,716,482.82
  5. Step 5: Solve for x
    x = 4,143,716,482.82/57,714.30
  6. Step 6: Final answer
    x = 71,797.05

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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.