Home / 52,909.36-79,364.48-13,466.40

Finding the Fourth Proportional to 52,909.36, 79,364.48 and 13,466.40

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Solution

The fourth proportional to 52,909.36, 79,364.48 and 13,466.40 is: 20,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.36 : 79,364.48 = 13,466.40 : x
  2. Step 2: Convert to fraction form
    52,909.36/79,364.48 = 13,466.40/x
  3. Step 3: Cross multiply
    52,909.36x = 79,364.48 × 13,466.40
  4. Step 4: Simplify right side
    52,909.36x = 1,068,753,833.47
  5. Step 5: Solve for x
    x = 1,068,753,833.47/52,909.36
  6. Step 6: Final answer
    x = 20,199.71

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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.