Home / 57,145.36-85,717.24-55,733.52

Finding the Fourth Proportional to 57,145.36, 85,717.24 and 55,733.52

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Solution

The fourth proportional to 57,145.36, 85,717.24 and 55,733.52 is: 83,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.36 : 85,717.24 = 55,733.52 : x
  2. Step 2: Convert to fraction form
    57,145.36/85,717.24 = 55,733.52/x
  3. Step 3: Cross multiply
    57,145.36x = 85,717.24 × 55,733.52
  4. Step 4: Simplify right side
    57,145.36x = 4,777,323,509.88
  5. Step 5: Solve for x
    x = 4,777,323,509.88/57,145.36
  6. Step 6: Final answer
    x = 83,599.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.