Home / 76,863.51-115,298.72-23,551.58

Finding the Fourth Proportional to 76,863.51, 115,298.72 and 23,551.58

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Solution

The fourth proportional to 76,863.51, 115,298.72 and 23,551.58 is: 35,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,863.51 : 115,298.72 = 23,551.58 : x
  2. Step 2: Convert to fraction form
    76,863.51/115,298.72 = 23,551.58/x
  3. Step 3: Cross multiply
    76,863.51x = 115,298.72 × 23,551.58
  4. Step 4: Simplify right side
    76,863.51x = 2,715,466,333.73
  5. Step 5: Solve for x
    x = 2,715,466,333.73/76,863.51
  6. Step 6: Final answer
    x = 35,328.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.