Home / 56,680.91-78,226.40-32,490.53

Finding the Fourth Proportional to 56,680.91, 78,226.40 and 32,490.53

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Solution

The fourth proportional to 56,680.91, 78,226.40 and 32,490.53 is: 44,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.91 : 78,226.40 = 32,490.53 : x
  2. Step 2: Convert to fraction form
    56,680.91/78,226.40 = 32,490.53/x
  3. Step 3: Cross multiply
    56,680.91x = 78,226.40 × 32,490.53
  4. Step 4: Simplify right side
    56,680.91x = 2,541,617,033.54
  5. Step 5: Solve for x
    x = 2,541,617,033.54/56,680.91
  6. Step 6: Final answer
    x = 44,840.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.