Home / 89,297.28-123,226.20-53,507.16

Finding the Fourth Proportional to 89,297.28, 123,226.20 and 53,507.16

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Solution

The fourth proportional to 89,297.28, 123,226.20 and 53,507.16 is: 73,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,297.28 : 123,226.20 = 53,507.16 : x
  2. Step 2: Convert to fraction form
    89,297.28/123,226.20 = 53,507.16/x
  3. Step 3: Cross multiply
    89,297.28x = 123,226.20 × 53,507.16
  4. Step 4: Simplify right side
    89,297.28x = 6,593,483,999.59
  5. Step 5: Solve for x
    x = 6,593,483,999.59/89,297.28
  6. Step 6: Final answer
    x = 73,837.46

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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.