Home / 52,555.56-78,783.22-17,470.64

Finding the Fourth Proportional to 52,555.56, 78,783.22 and 17,470.64

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Solution

The fourth proportional to 52,555.56, 78,783.22 and 17,470.64 is: 26,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.56 : 78,783.22 = 17,470.64 : x
  2. Step 2: Convert to fraction form
    52,555.56/78,783.22 = 17,470.64/x
  3. Step 3: Cross multiply
    52,555.56x = 78,783.22 × 17,470.64
  4. Step 4: Simplify right side
    52,555.56x = 1,376,393,274.66
  5. Step 5: Solve for x
    x = 1,376,393,274.66/52,555.56
  6. Step 6: Final answer
    x = 26,189.30

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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.