Home / 118,091.14-162,964.40-64,374.96

Finding the Fourth Proportional to 118,091.14, 162,964.40 and 64,374.96

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Solution

The fourth proportional to 118,091.14, 162,964.40 and 64,374.96 is: 88,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,091.14 : 162,964.40 = 64,374.96 : x
  2. Step 2: Convert to fraction form
    118,091.14/162,964.40 = 64,374.96/x
  3. Step 3: Cross multiply
    118,091.14x = 162,964.40 × 64,374.96
  4. Step 4: Simplify right side
    118,091.14x = 10,490,826,731.42
  5. Step 5: Solve for x
    x = 10,490,826,731.42/118,091.14
  6. Step 6: Final answer
    x = 88,836.70

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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.