Home / 65,499.77-98,255.84-18,112.95

Finding the Fourth Proportional to 65,499.77, 98,255.84 and 18,112.95

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Solution

The fourth proportional to 65,499.77, 98,255.84 and 18,112.95 is: 27,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499.77 : 98,255.84 = 18,112.95 : x
  2. Step 2: Convert to fraction form
    65,499.77/98,255.84 = 18,112.95/x
  3. Step 3: Cross multiply
    65,499.77x = 98,255.84 × 18,112.95
  4. Step 4: Simplify right side
    65,499.77x = 1,779,703,026.56
  5. Step 5: Solve for x
    x = 1,779,703,026.56/65,499.77
  6. Step 6: Final answer
    x = 27,171.13

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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.