Home / 57,365.13-79,132.01-53,305.86

Finding the Fourth Proportional to 57,365.13, 79,132.01 and 53,305.86

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Solution

The fourth proportional to 57,365.13, 79,132.01 and 53,305.86 is: 73,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.13 : 79,132.01 = 53,305.86 : x
  2. Step 2: Convert to fraction form
    57,365.13/79,132.01 = 53,305.86/x
  3. Step 3: Cross multiply
    57,365.13x = 79,132.01 × 53,305.86
  4. Step 4: Simplify right side
    57,365.13x = 4,218,199,580.05
  5. Step 5: Solve for x
    x = 4,218,199,580.05/57,365.13
  6. Step 6: Final answer
    x = 73,532.47

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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.