Home / 81,047.32-111,904.55-52,383.94

Finding the Fourth Proportional to 81,047.32, 111,904.55 and 52,383.94

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Solution

The fourth proportional to 81,047.32, 111,904.55 and 52,383.94 is: 72,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,047.32 : 111,904.55 = 52,383.94 : x
  2. Step 2: Convert to fraction form
    81,047.32/111,904.55 = 52,383.94/x
  3. Step 3: Cross multiply
    81,047.32x = 111,904.55 × 52,383.94
  4. Step 4: Simplify right side
    81,047.32x = 5,862,001,232.93
  5. Step 5: Solve for x
    x = 5,862,001,232.93/81,047.32
  6. Step 6: Final answer
    x = 72,328.13

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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.