Home / 76,539.66-114,838.62-69,118.44

Finding the Fourth Proportional to 76,539.66, 114,838.62 and 69,118.44

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Solution

The fourth proportional to 76,539.66, 114,838.62 and 69,118.44 is: 103,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,539.66 : 114,838.62 = 69,118.44 : x
  2. Step 2: Convert to fraction form
    76,539.66/114,838.62 = 69,118.44/x
  3. Step 3: Cross multiply
    76,539.66x = 114,838.62 × 69,118.44
  4. Step 4: Simplify right side
    76,539.66x = 7,937,466,266.15
  5. Step 5: Solve for x
    x = 7,937,466,266.15/76,539.66
  6. Step 6: Final answer
    x = 103,703.97

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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.