Home / 89,252.16-123,066.99-56,943.56

Finding the Fourth Proportional to 89,252.16, 123,066.99 and 56,943.56

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Solution

The fourth proportional to 89,252.16, 123,066.99 and 56,943.56 is: 78,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,252.16 : 123,066.99 = 56,943.56 : x
  2. Step 2: Convert to fraction form
    89,252.16/123,066.99 = 56,943.56/x
  3. Step 3: Cross multiply
    89,252.16x = 123,066.99 × 56,943.56
  4. Step 4: Simplify right side
    89,252.16x = 7,007,871,913.75
  5. Step 5: Solve for x
    x = 7,007,871,913.75/89,252.16
  6. Step 6: Final answer
    x = 78,517.67

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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.