Home / 76,951.18-115,433.35-27,026.93

Finding the Fourth Proportional to 76,951.18, 115,433.35 and 27,026.93

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Solution

The fourth proportional to 76,951.18, 115,433.35 and 27,026.93 is: 40,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,951.18 : 115,433.35 = 27,026.93 : x
  2. Step 2: Convert to fraction form
    76,951.18/115,433.35 = 27,026.93/x
  3. Step 3: Cross multiply
    76,951.18x = 115,433.35 × 27,026.93
  4. Step 4: Simplify right side
    76,951.18x = 3,119,809,070.12
  5. Step 5: Solve for x
    x = 3,119,809,070.12/76,951.18
  6. Step 6: Final answer
    x = 40,542.71

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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.