Home / 65,974.16-91,056.53-37,679.85

Finding the Fourth Proportional to 65,974.16, 91,056.53 and 37,679.85

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Solution

The fourth proportional to 65,974.16, 91,056.53 and 37,679.85 is: 52,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,974.16 : 91,056.53 = 37,679.85 : x
  2. Step 2: Convert to fraction form
    65,974.16/91,056.53 = 37,679.85/x
  3. Step 3: Cross multiply
    65,974.16x = 91,056.53 × 37,679.85
  4. Step 4: Simplify right side
    65,974.16x = 3,430,996,486.12
  5. Step 5: Solve for x
    x = 3,430,996,486.12/65,974.16
  6. Step 6: Final answer
    x = 52,005.15

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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.