Home / 53,740.08-80,499.24-31,485.87

Finding the Fourth Proportional to 53,740.08, 80,499.24 and 31,485.87

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Solution

The fourth proportional to 53,740.08, 80,499.24 and 31,485.87 is: 47,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.08 : 80,499.24 = 31,485.87 : x
  2. Step 2: Convert to fraction form
    53,740.08/80,499.24 = 31,485.87/x
  3. Step 3: Cross multiply
    53,740.08x = 80,499.24 × 31,485.87
  4. Step 4: Simplify right side
    53,740.08x = 2,534,588,605.74
  5. Step 5: Solve for x
    x = 2,534,588,605.74/53,740.08
  6. Step 6: Final answer
    x = 47,163.84

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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.