Home / 74,237.40-111,356.10-57,648.60

Finding the Fourth Proportional to 74,237.40, 111,356.10 and 57,648.60

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Solution

The fourth proportional to 74,237.40, 111,356.10 and 57,648.60 is: 86,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.40 : 111,356.10 = 57,648.60 : x
  2. Step 2: Convert to fraction form
    74,237.40/111,356.10 = 57,648.60/x
  3. Step 3: Cross multiply
    74,237.40x = 111,356.10 × 57,648.60
  4. Step 4: Simplify right side
    74,237.40x = 6,419,523,266.46
  5. Step 5: Solve for x
    x = 6,419,523,266.46/74,237.40
  6. Step 6: Final answer
    x = 86,472.90

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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.