Home / 76,992.32-106,246.40-48,327.38

Finding the Fourth Proportional to 76,992.32, 106,246.40 and 48,327.38

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Solution

The fourth proportional to 76,992.32, 106,246.40 and 48,327.38 is: 66,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992.32 : 106,246.40 = 48,327.38 : x
  2. Step 2: Convert to fraction form
    76,992.32/106,246.40 = 48,327.38/x
  3. Step 3: Cross multiply
    76,992.32x = 106,246.40 × 48,327.38
  4. Step 4: Simplify right side
    76,992.32x = 5,134,609,373.56
  5. Step 5: Solve for x
    x = 5,134,609,373.56/76,992.32
  6. Step 6: Final answer
    x = 66,689.89

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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.