Home / 118,045.91-162,899.23-64,329.85

Finding the Fourth Proportional to 118,045.91, 162,899.23 and 64,329.85

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Solution

The fourth proportional to 118,045.91, 162,899.23 and 64,329.85 is: 88,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.91 : 162,899.23 = 64,329.85 : x
  2. Step 2: Convert to fraction form
    118,045.91/162,899.23 = 64,329.85/x
  3. Step 3: Cross multiply
    118,045.91x = 162,899.23 × 64,329.85
  4. Step 4: Simplify right side
    118,045.91x = 10,479,282,097.20
  5. Step 5: Solve for x
    x = 10,479,282,097.20/118,045.91
  6. Step 6: Final answer
    x = 88,772.94

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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.