Home / 112,383.74-155,092.58-61,398.62

Finding the Fourth Proportional to 112,383.74, 155,092.58 and 61,398.62

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Solution

The fourth proportional to 112,383.74, 155,092.58 and 61,398.62 is: 84,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383.74 : 155,092.58 = 61,398.62 : x
  2. Step 2: Convert to fraction form
    112,383.74/155,092.58 = 61,398.62/x
  3. Step 3: Cross multiply
    112,383.74x = 155,092.58 × 61,398.62
  4. Step 4: Simplify right side
    112,383.74x = 9,522,469,301.78
  5. Step 5: Solve for x
    x = 9,522,469,301.78/112,383.74
  6. Step 6: Final answer
    x = 84,731.74

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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.