Home / 89,233.57-123,146.19-53,416.65

Finding the Fourth Proportional to 89,233.57, 123,146.19 and 53,416.65

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Solution

The fourth proportional to 89,233.57, 123,146.19 and 53,416.65 is: 73,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,233.57 : 123,146.19 = 53,416.65 : x
  2. Step 2: Convert to fraction form
    89,233.57/123,146.19 = 53,416.65/x
  3. Step 3: Cross multiply
    89,233.57x = 123,146.19 × 53,416.65
  4. Step 4: Simplify right side
    89,233.57x = 6,578,056,662.98
  5. Step 5: Solve for x
    x = 6,578,056,662.98/89,233.57
  6. Step 6: Final answer
    x = 73,717.29

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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.