Home / 57,911.32-79,921.47-32,419.93

Finding the Fourth Proportional to 57,911.32, 79,921.47 and 32,419.93

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Solution

The fourth proportional to 57,911.32, 79,921.47 and 32,419.93 is: 44,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,911.32 : 79,921.47 = 32,419.93 : x
  2. Step 2: Convert to fraction form
    57,911.32/79,921.47 = 32,419.93/x
  3. Step 3: Cross multiply
    57,911.32x = 79,921.47 × 32,419.93
  4. Step 4: Simplify right side
    57,911.32x = 2,591,048,462.90
  5. Step 5: Solve for x
    x = 2,591,048,462.90/57,911.32
  6. Step 6: Final answer
    x = 44,741.66

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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.