Home / 117,335.23-162,056.27-79,543.87

Finding the Fourth Proportional to 117,335.23, 162,056.27 and 79,543.87

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Solution

The fourth proportional to 117,335.23, 162,056.27 and 79,543.87 is: 109,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,335.23 : 162,056.27 = 79,543.87 : x
  2. Step 2: Convert to fraction form
    117,335.23/162,056.27 = 79,543.87/x
  3. Step 3: Cross multiply
    117,335.23x = 162,056.27 × 79,543.87
  4. Step 4: Simplify right side
    117,335.23x = 12,890,582,873.56
  5. Step 5: Solve for x
    x = 12,890,582,873.56/117,335.23
  6. Step 6: Final answer
    x = 109,861.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.