Home / 76,815.54-115,223.31-24,230.34

Finding the Fourth Proportional to 76,815.54, 115,223.31 and 24,230.34

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Solution

The fourth proportional to 76,815.54, 115,223.31 and 24,230.34 is: 36,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,815.54 : 115,223.31 = 24,230.34 : x
  2. Step 2: Convert to fraction form
    76,815.54/115,223.31 = 24,230.34/x
  3. Step 3: Cross multiply
    76,815.54x = 115,223.31 × 24,230.34
  4. Step 4: Simplify right side
    76,815.54x = 2,791,899,977.23
  5. Step 5: Solve for x
    x = 2,791,899,977.23/76,815.54
  6. Step 6: Final answer
    x = 36,345.51

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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.