Home / 82,148.18-113,365.94-48,181.17

Finding the Fourth Proportional to 82,148.18, 113,365.94 and 48,181.17

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Solution

The fourth proportional to 82,148.18, 113,365.94 and 48,181.17 is: 66,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,148.18 : 113,365.94 = 48,181.17 : x
  2. Step 2: Convert to fraction form
    82,148.18/113,365.94 = 48,181.17/x
  3. Step 3: Cross multiply
    82,148.18x = 113,365.94 × 48,181.17
  4. Step 4: Simplify right side
    82,148.18x = 5,462,103,627.35
  5. Step 5: Solve for x
    x = 5,462,103,627.35/82,148.18
  6. Step 6: Final answer
    x = 66,490.87

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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.