Home / 56,505.28-84,758.42-14,385.42

Finding the Fourth Proportional to 56,505.28, 84,758.42 and 14,385.42

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Solution

The fourth proportional to 56,505.28, 84,758.42 and 14,385.42 is: 21,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,505.28 : 84,758.42 = 14,385.42 : x
  2. Step 2: Convert to fraction form
    56,505.28/84,758.42 = 14,385.42/x
  3. Step 3: Cross multiply
    56,505.28x = 84,758.42 × 14,385.42
  4. Step 4: Simplify right side
    56,505.28x = 1,219,285,470.24
  5. Step 5: Solve for x
    x = 1,219,285,470.24/56,505.28
  6. Step 6: Final answer
    x = 21,578.26

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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.