Home / 57,954.14-86,931.20-31,644.53

Finding the Fourth Proportional to 57,954.14, 86,931.20 and 31,644.53

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Solution

The fourth proportional to 57,954.14, 86,931.20 and 31,644.53 is: 47,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.14 : 86,931.20 = 31,644.53 : x
  2. Step 2: Convert to fraction form
    57,954.14/86,931.20 = 31,644.53/x
  3. Step 3: Cross multiply
    57,954.14x = 86,931.20 × 31,644.53
  4. Step 4: Simplify right side
    57,954.14x = 2,750,896,531.68
  5. Step 5: Solve for x
    x = 2,750,896,531.68/57,954.14
  6. Step 6: Final answer
    x = 47,466.79

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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.