Home / 52,890.04-79,335.25-13,447.15

Finding the Fourth Proportional to 52,890.04, 79,335.25 and 13,447.15

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Solution

The fourth proportional to 52,890.04, 79,335.25 and 13,447.15 is: 20,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.04 : 79,335.25 = 13,447.15 : x
  2. Step 2: Convert to fraction form
    52,890.04/79,335.25 = 13,447.15/x
  3. Step 3: Cross multiply
    52,890.04x = 79,335.25 × 13,447.15
  4. Step 4: Simplify right side
    52,890.04x = 1,066,833,007.04
  5. Step 5: Solve for x
    x = 1,066,833,007.04/52,890.04
  6. Step 6: Final answer
    x = 20,170.77

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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.