Home / 70,082.74-105,016.46-47,564.15

Finding the Fourth Proportional to 70,082.74, 105,016.46 and 47,564.15

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Solution

The fourth proportional to 70,082.74, 105,016.46 and 47,564.15 is: 71,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,082.74 : 105,016.46 = 47,564.15 : x
  2. Step 2: Convert to fraction form
    70,082.74/105,016.46 = 47,564.15/x
  3. Step 3: Cross multiply
    70,082.74x = 105,016.46 × 47,564.15
  4. Step 4: Simplify right side
    70,082.74x = 4,995,019,037.36
  5. Step 5: Solve for x
    x = 4,995,019,037.36/70,082.74
  6. Step 6: Final answer
    x = 71,273.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.