Home / 57,064.44-78,748.32-31,913.88

Finding the Fourth Proportional to 57,064.44, 78,748.32 and 31,913.88

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Solution

The fourth proportional to 57,064.44, 78,748.32 and 31,913.88 is: 44,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.44 : 78,748.32 = 31,913.88 : x
  2. Step 2: Convert to fraction form
    57,064.44/78,748.32 = 31,913.88/x
  3. Step 3: Cross multiply
    57,064.44x = 78,748.32 × 31,913.88
  4. Step 4: Simplify right side
    57,064.44x = 2,513,164,434.68
  5. Step 5: Solve for x
    x = 2,513,164,434.68/57,064.44
  6. Step 6: Final answer
    x = 44,040.81

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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.