Home / 69,720.64-104,578.20-60,330.19

Finding the Fourth Proportional to 69,720.64, 104,578.20 and 60,330.19

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Solution

The fourth proportional to 69,720.64, 104,578.20 and 60,330.19 is: 90,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.64 : 104,578.20 = 60,330.19 : x
  2. Step 2: Convert to fraction form
    69,720.64/104,578.20 = 60,330.19/x
  3. Step 3: Cross multiply
    69,720.64x = 104,578.20 × 60,330.19
  4. Step 4: Simplify right side
    69,720.64x = 6,309,222,675.86
  5. Step 5: Solve for x
    x = 6,309,222,675.86/69,720.64
  6. Step 6: Final answer
    x = 90,492.90

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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.