Home / 57,172.92-78,872.16-37,036.44

Finding the Fourth Proportional to 57,172.92, 78,872.16 and 37,036.44

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Solution

The fourth proportional to 57,172.92, 78,872.16 and 37,036.44 is: 51,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.92 : 78,872.16 = 37,036.44 : x
  2. Step 2: Convert to fraction form
    57,172.92/78,872.16 = 37,036.44/x
  3. Step 3: Cross multiply
    57,172.92x = 78,872.16 × 37,036.44
  4. Step 4: Simplify right side
    57,172.92x = 2,921,144,021.51
  5. Step 5: Solve for x
    x = 2,921,144,021.51/57,172.92
  6. Step 6: Final answer
    x = 51,093.14

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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.