Home / 63,031.66-86,985.69-36,179.10

Finding the Fourth Proportional to 63,031.66, 86,985.69 and 36,179.10

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Solution

The fourth proportional to 63,031.66, 86,985.69 and 36,179.10 is: 49,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.66 : 86,985.69 = 36,179.10 : x
  2. Step 2: Convert to fraction form
    63,031.66/86,985.69 = 36,179.10/x
  3. Step 3: Cross multiply
    63,031.66x = 86,985.69 × 36,179.10
  4. Step 4: Simplify right side
    63,031.66x = 3,147,063,977.08
  5. Step 5: Solve for x
    x = 3,147,063,977.08/63,031.66
  6. Step 6: Final answer
    x = 49,928.31

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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.