Home / 65,985.75-91,060.47-37,691.37

Finding the Fourth Proportional to 65,985.75, 91,060.47 and 37,691.37

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Solution

The fourth proportional to 65,985.75, 91,060.47 and 37,691.37 is: 52,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.75 : 91,060.47 = 37,691.37 : x
  2. Step 2: Convert to fraction form
    65,985.75/91,060.47 = 37,691.37/x
  3. Step 3: Cross multiply
    65,985.75x = 91,060.47 × 37,691.37
  4. Step 4: Simplify right side
    65,985.75x = 3,432,193,867.14
  5. Step 5: Solve for x
    x = 3,432,193,867.14/65,985.75
  6. Step 6: Final answer
    x = 52,014.17

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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.