Home / 52,783.12-79,167.36-13,337.84

Finding the Fourth Proportional to 52,783.12, 79,167.36 and 13,337.84

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Solution

The fourth proportional to 52,783.12, 79,167.36 and 13,337.84 is: 20,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.12 : 79,167.36 = 13,337.84 : x
  2. Step 2: Convert to fraction form
    52,783.12/79,167.36 = 13,337.84/x
  3. Step 3: Cross multiply
    52,783.12x = 79,167.36 × 13,337.84
  4. Step 4: Simplify right side
    52,783.12x = 1,055,921,580.90
  5. Step 5: Solve for x
    x = 1,055,921,580.90/52,783.12
  6. Step 6: Final answer
    x = 20,004.91

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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.