Home / 89,396.55-123,392.07-51,177.51

Finding the Fourth Proportional to 89,396.55, 123,392.07 and 51,177.51

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Solution

The fourth proportional to 89,396.55, 123,392.07 and 51,177.51 is: 70,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,396.55 : 123,392.07 = 51,177.51 : x
  2. Step 2: Convert to fraction form
    89,396.55/123,392.07 = 51,177.51/x
  3. Step 3: Cross multiply
    89,396.55x = 123,392.07 × 51,177.51
  4. Step 4: Simplify right side
    89,396.55x = 6,314,898,896.35
  5. Step 5: Solve for x
    x = 6,314,898,896.35/89,396.55
  6. Step 6: Final answer
    x = 70,639.18

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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.