Home / 62,871.64-86,764.68-34,579.15

Finding the Fourth Proportional to 62,871.64, 86,764.68 and 34,579.15

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Solution

The fourth proportional to 62,871.64, 86,764.68 and 34,579.15 is: 47,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.64 : 86,764.68 = 34,579.15 : x
  2. Step 2: Convert to fraction form
    62,871.64/86,764.68 = 34,579.15/x
  3. Step 3: Cross multiply
    62,871.64x = 86,764.68 × 34,579.15
  4. Step 4: Simplify right side
    62,871.64x = 3,000,248,884.42
  5. Step 5: Solve for x
    x = 3,000,248,884.42/62,871.64
  6. Step 6: Final answer
    x = 47,720.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.