Home / 57,423.74-79,242.30-31,931.82

Finding the Fourth Proportional to 57,423.74, 79,242.30 and 31,931.82

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Solution

The fourth proportional to 57,423.74, 79,242.30 and 31,931.82 is: 44,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.74 : 79,242.30 = 31,931.82 : x
  2. Step 2: Convert to fraction form
    57,423.74/79,242.30 = 31,931.82/x
  3. Step 3: Cross multiply
    57,423.74x = 79,242.30 × 31,931.82
  4. Step 4: Simplify right side
    57,423.74x = 2,530,350,859.99
  5. Step 5: Solve for x
    x = 2,530,350,859.99/57,423.74
  6. Step 6: Final answer
    x = 44,064.55

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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.