Home / 81,016.04-111,784.20-47,004.82

Finding the Fourth Proportional to 81,016.04, 111,784.20 and 47,004.82

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Solution

The fourth proportional to 81,016.04, 111,784.20 and 47,004.82 is: 64,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,016.04 : 111,784.20 = 47,004.82 : x
  2. Step 2: Convert to fraction form
    81,016.04/111,784.20 = 47,004.82/x
  3. Step 3: Cross multiply
    81,016.04x = 111,784.20 × 47,004.82
  4. Step 4: Simplify right side
    81,016.04x = 5,254,396,199.84
  5. Step 5: Solve for x
    x = 5,254,396,199.84/81,016.04
  6. Step 6: Final answer
    x = 64,856.25

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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.