Home / 63,019.12-86,958.48-36,158.08

Finding the Fourth Proportional to 63,019.12, 86,958.48 and 36,158.08

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Solution

The fourth proportional to 63,019.12, 86,958.48 and 36,158.08 is: 49,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,019.12 : 86,958.48 = 36,158.08 : x
  2. Step 2: Convert to fraction form
    63,019.12/86,958.48 = 36,158.08/x
  3. Step 3: Cross multiply
    63,019.12x = 86,958.48 × 36,158.08
  4. Step 4: Simplify right side
    63,019.12x = 3,144,251,676.52
  5. Step 5: Solve for x
    x = 3,144,251,676.52/63,019.12
  6. Step 6: Final answer
    x = 49,893.61

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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.