Home / 73,318.28-101,181.06-39,784.20

Finding the Fourth Proportional to 73,318.28, 101,181.06 and 39,784.20

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Solution

The fourth proportional to 73,318.28, 101,181.06 and 39,784.20 is: 54,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.28 : 101,181.06 = 39,784.20 : x
  2. Step 2: Convert to fraction form
    73,318.28/101,181.06 = 39,784.20/x
  3. Step 3: Cross multiply
    73,318.28x = 101,181.06 × 39,784.20
  4. Step 4: Simplify right side
    73,318.28x = 4,025,407,527.25
  5. Step 5: Solve for x
    x = 4,025,407,527.25/73,318.28
  6. Step 6: Final answer
    x = 54,903.19

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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.