Home / 117,789.42-162,513.42-66,799.52

Finding the Fourth Proportional to 117,789.42, 162,513.42 and 66,799.52

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Solution

The fourth proportional to 117,789.42, 162,513.42 and 66,799.52 is: 92,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,789.42 : 162,513.42 = 66,799.52 : x
  2. Step 2: Convert to fraction form
    117,789.42/162,513.42 = 66,799.52/x
  3. Step 3: Cross multiply
    117,789.42x = 162,513.42 × 66,799.52
  4. Step 4: Simplify right side
    117,789.42x = 10,855,817,636.99
  5. Step 5: Solve for x
    x = 10,855,817,636.99/117,789.42
  6. Step 6: Final answer
    x = 92,162.93

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1.5x scale

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.