Home / 60,172.92-82,996.14-40,019.76

Finding the Fourth Proportional to 60,172.92, 82,996.14 and 40,019.76

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Solution

The fourth proportional to 60,172.92, 82,996.14 and 40,019.76 is: 55,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,172.92 : 82,996.14 = 40,019.76 : x
  2. Step 2: Convert to fraction form
    60,172.92/82,996.14 = 40,019.76/x
  3. Step 3: Cross multiply
    60,172.92x = 82,996.14 × 40,019.76
  4. Step 4: Simplify right side
    60,172.92x = 3,321,485,603.73
  5. Step 5: Solve for x
    x = 3,321,485,603.73/60,172.92
  6. Step 6: Final answer
    x = 55,199.01

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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.