Home / 85,529.73-118,028.97-47,288.31

Finding the Fourth Proportional to 85,529.73, 118,028.97 and 47,288.31

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Solution

The fourth proportional to 85,529.73, 118,028.97 and 47,288.31 is: 65,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,529.73 : 118,028.97 = 47,288.31 : x
  2. Step 2: Convert to fraction form
    85,529.73/118,028.97 = 47,288.31/x
  3. Step 3: Cross multiply
    85,529.73x = 118,028.97 × 47,288.31
  4. Step 4: Simplify right side
    85,529.73x = 5,581,390,522.34
  5. Step 5: Solve for x
    x = 5,581,390,522.34/85,529.73
  6. Step 6: Final answer
    x = 65,256.73

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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.