Home / 57,053.44-78,737.36-31,903.04

Finding the Fourth Proportional to 57,053.44, 78,737.36 and 31,903.04

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Solution

The fourth proportional to 57,053.44, 78,737.36 and 31,903.04 is: 44,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.44 : 78,737.36 = 31,903.04 : x
  2. Step 2: Convert to fraction form
    57,053.44/78,737.36 = 31,903.04/x
  3. Step 3: Cross multiply
    57,053.44x = 78,737.36 × 31,903.04
  4. Step 4: Simplify right side
    57,053.44x = 2,511,961,145.57
  5. Step 5: Solve for x
    x = 2,511,961,145.57/57,053.44
  6. Step 6: Final answer
    x = 44,028.22

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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.