Home / 52,555.85-78,786.89-19,268.15

Finding the Fourth Proportional to 52,555.85, 78,786.89 and 19,268.15

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Solution

The fourth proportional to 52,555.85, 78,786.89 and 19,268.15 is: 28,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.85 : 78,786.89 = 19,268.15 : x
  2. Step 2: Convert to fraction form
    52,555.85/78,786.89 = 19,268.15/x
  3. Step 3: Cross multiply
    52,555.85x = 78,786.89 × 19,268.15
  4. Step 4: Simplify right side
    52,555.85x = 1,518,077,124.28
  5. Step 5: Solve for x
    x = 1,518,077,124.28/52,555.85
  6. Step 6: Final answer
    x = 28,885.03

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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.