Home / 53,840.60-80,764.16-16,403.40

Finding the Fourth Proportional to 53,840.60, 80,764.16 and 16,403.40

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Solution

The fourth proportional to 53,840.60, 80,764.16 and 16,403.40 is: 24,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.60 : 80,764.16 = 16,403.40 : x
  2. Step 2: Convert to fraction form
    53,840.60/80,764.16 = 16,403.40/x
  3. Step 3: Cross multiply
    53,840.60x = 80,764.16 × 16,403.40
  4. Step 4: Simplify right side
    53,840.60x = 1,324,806,740.13
  5. Step 5: Solve for x
    x = 1,324,806,740.13/53,840.60
  6. Step 6: Final answer
    x = 24,606.09

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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.