Home / 53,508.08-80,188.31-40,345.99

Finding the Fourth Proportional to 53,508.08, 80,188.31 and 40,345.99

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Solution

The fourth proportional to 53,508.08, 80,188.31 and 40,345.99 is: 60,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,508.08 : 80,188.31 = 40,345.99 : x
  2. Step 2: Convert to fraction form
    53,508.08/80,188.31 = 40,345.99/x
  3. Step 3: Cross multiply
    53,508.08x = 80,188.31 × 40,345.99
  4. Step 4: Simplify right side
    53,508.08x = 3,235,276,352.44
  5. Step 5: Solve for x
    x = 3,235,276,352.44/53,508.08
  6. Step 6: Final answer
    x = 60,463.32

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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.