Home / 79,181.38-109,228.89-48,957.04

Finding the Fourth Proportional to 79,181.38, 109,228.89 and 48,957.04

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Solution

The fourth proportional to 79,181.38, 109,228.89 and 48,957.04 is: 67,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181.38 : 109,228.89 = 48,957.04 : x
  2. Step 2: Convert to fraction form
    79,181.38/109,228.89 = 48,957.04/x
  3. Step 3: Cross multiply
    79,181.38x = 109,228.89 × 48,957.04
  4. Step 4: Simplify right side
    79,181.38x = 5,347,522,863.81
  5. Step 5: Solve for x
    x = 5,347,522,863.81/79,181.38
  6. Step 6: Final answer
    x = 67,535.11

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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.