Home / 78,019.75-117,047.19-24,714.94

Finding the Fourth Proportional to 78,019.75, 117,047.19 and 24,714.94

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Solution

The fourth proportional to 78,019.75, 117,047.19 and 24,714.94 is: 37,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019.75 : 117,047.19 = 24,714.94 : x
  2. Step 2: Convert to fraction form
    78,019.75/117,047.19 = 24,714.94/x
  3. Step 3: Cross multiply
    78,019.75x = 117,047.19 × 24,714.94
  4. Step 4: Simplify right side
    78,019.75x = 2,892,814,278.02
  5. Step 5: Solve for x
    x = 2,892,814,278.02/78,019.75
  6. Step 6: Final answer
    x = 37,077.97

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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.