Home / 53,199.35-79,801.77-13,756.81

Finding the Fourth Proportional to 53,199.35, 79,801.77 and 13,756.81

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Solution

The fourth proportional to 53,199.35, 79,801.77 and 13,756.81 is: 20,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199.35 : 79,801.77 = 13,756.81 : x
  2. Step 2: Convert to fraction form
    53,199.35/79,801.77 = 13,756.81/x
  3. Step 3: Cross multiply
    53,199.35x = 79,801.77 × 13,756.81
  4. Step 4: Simplify right side
    53,199.35x = 1,097,817,787.55
  5. Step 5: Solve for x
    x = 1,097,817,787.55/53,199.35
  6. Step 6: Final answer
    x = 20,635.92

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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.