Home / 89,576.51-123,601.46-51,328.70

Finding the Fourth Proportional to 89,576.51, 123,601.46 and 51,328.70

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Solution

The fourth proportional to 89,576.51, 123,601.46 and 51,328.70 is: 70,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.51 : 123,601.46 = 51,328.70 : x
  2. Step 2: Convert to fraction form
    89,576.51/123,601.46 = 51,328.70/x
  3. Step 3: Cross multiply
    89,576.51x = 123,601.46 × 51,328.70
  4. Step 4: Simplify right side
    89,576.51x = 6,344,302,003.26
  5. Step 5: Solve for x
    x = 6,344,302,003.26/89,576.51
  6. Step 6: Final answer
    x = 70,825.51

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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.