Home / 65,900.22-98,849.39-15,980.73

Finding the Fourth Proportional to 65,900.22, 98,849.39 and 15,980.73

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Solution

The fourth proportional to 65,900.22, 98,849.39 and 15,980.73 is: 23,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.22 : 98,849.39 = 15,980.73 : x
  2. Step 2: Convert to fraction form
    65,900.22/98,849.39 = 15,980.73/x
  3. Step 3: Cross multiply
    65,900.22x = 98,849.39 × 15,980.73
  4. Step 4: Simplify right side
    65,900.22x = 1,579,684,838.10
  5. Step 5: Solve for x
    x = 1,579,684,838.10/65,900.22
  6. Step 6: Final answer
    x = 23,970.86

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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.