Home / 53,750.92-80,605.86-18,681.16

Finding the Fourth Proportional to 53,750.92, 80,605.86 and 18,681.16

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Solution

The fourth proportional to 53,750.92, 80,605.86 and 18,681.16 is: 28,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,750.92 : 80,605.86 = 18,681.16 : x
  2. Step 2: Convert to fraction form
    53,750.92/80,605.86 = 18,681.16/x
  3. Step 3: Cross multiply
    53,750.92x = 80,605.86 × 18,681.16
  4. Step 4: Simplify right side
    53,750.92x = 1,505,810,967.60
  5. Step 5: Solve for x
    x = 1,505,810,967.60/53,750.92
  6. Step 6: Final answer
    x = 28,014.61

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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.