Home / 76,504.18-114,712.12-29,702.38

Finding the Fourth Proportional to 76,504.18, 114,712.12 and 29,702.38

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Solution

The fourth proportional to 76,504.18, 114,712.12 and 29,702.38 is: 44,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,504.18 : 114,712.12 = 29,702.38 : x
  2. Step 2: Convert to fraction form
    76,504.18/114,712.12 = 29,702.38/x
  3. Step 3: Cross multiply
    76,504.18x = 114,712.12 × 29,702.38
  4. Step 4: Simplify right side
    76,504.18x = 3,407,222,978.85
  5. Step 5: Solve for x
    x = 3,407,222,978.85/76,504.18
  6. Step 6: Final answer
    x = 44,536.43

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1.5x scale

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.