Home / 52,499.12-78,748.97-13,056.21

Finding the Fourth Proportional to 52,499.12, 78,748.97 and 13,056.21

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Solution

The fourth proportional to 52,499.12, 78,748.97 and 13,056.21 is: 19,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,499.12 : 78,748.97 = 13,056.21 : x
  2. Step 2: Convert to fraction form
    52,499.12/78,748.97 = 13,056.21/x
  3. Step 3: Cross multiply
    52,499.12x = 78,748.97 × 13,056.21
  4. Step 4: Simplify right side
    52,499.12x = 1,028,163,024.32
  5. Step 5: Solve for x
    x = 1,028,163,024.32/52,499.12
  6. Step 6: Final answer
    x = 19,584.39

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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.