Home / 117,865.01-162,657.70-64,151.97

Finding the Fourth Proportional to 117,865.01, 162,657.70 and 64,151.97

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Solution

The fourth proportional to 117,865.01, 162,657.70 and 64,151.97 is: 88,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,865.01 : 162,657.70 = 64,151.97 : x
  2. Step 2: Convert to fraction form
    117,865.01/162,657.70 = 64,151.97/x
  3. Step 3: Cross multiply
    117,865.01x = 162,657.70 × 64,151.97
  4. Step 4: Simplify right side
    117,865.01x = 10,434,811,730.29
  5. Step 5: Solve for x
    x = 10,434,811,730.29/117,865.01
  6. Step 6: Final answer
    x = 88,531.89

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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.