Home / 52,782.25-79,178.55-15,342.63

Finding the Fourth Proportional to 52,782.25, 79,178.55 and 15,342.63

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Solution

The fourth proportional to 52,782.25, 79,178.55 and 15,342.63 is: 23,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.25 : 79,178.55 = 15,342.63 : x
  2. Step 2: Convert to fraction form
    52,782.25/79,178.55 = 15,342.63/x
  3. Step 3: Cross multiply
    52,782.25x = 79,178.55 × 15,342.63
  4. Step 4: Simplify right side
    52,782.25x = 1,214,807,196.59
  5. Step 5: Solve for x
    x = 1,214,807,196.59/52,782.25
  6. Step 6: Final answer
    x = 23,015.45

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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.