Home / 79,690.37-119,507.67-23,515.52

Finding the Fourth Proportional to 79,690.37, 119,507.67 and 23,515.52

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Solution

The fourth proportional to 79,690.37, 119,507.67 and 23,515.52 is: 35,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,690.37 : 119,507.67 = 23,515.52 : x
  2. Step 2: Convert to fraction form
    79,690.37/119,507.67 = 23,515.52/x
  3. Step 3: Cross multiply
    79,690.37x = 119,507.67 × 23,515.52
  4. Step 4: Simplify right side
    79,690.37x = 2,810,284,406.50
  5. Step 5: Solve for x
    x = 2,810,284,406.50/79,690.37
  6. Step 6: Final answer
    x = 35,265.05

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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.