Home / 89,516.25-123,532.56-51,792.93

Finding the Fourth Proportional to 89,516.25, 123,532.56 and 51,792.93

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Solution

The fourth proportional to 89,516.25, 123,532.56 and 51,792.93 is: 71,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.25 : 123,532.56 = 51,792.93 : x
  2. Step 2: Convert to fraction form
    89,516.25/123,532.56 = 51,792.93/x
  3. Step 3: Cross multiply
    89,516.25x = 123,532.56 × 51,792.93
  4. Step 4: Simplify right side
    89,516.25x = 6,398,113,232.80
  5. Step 5: Solve for x
    x = 6,398,113,232.80/89,516.25
  6. Step 6: Final answer
    x = 71,474.32

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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.