Home / 57,172.91-85,767.66-17,733.20

Finding the Fourth Proportional to 57,172.91, 85,767.66 and 17,733.20

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Solution

The fourth proportional to 57,172.91, 85,767.66 and 17,733.20 is: 26,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.91 : 85,767.66 = 17,733.20 : x
  2. Step 2: Convert to fraction form
    57,172.91/85,767.66 = 17,733.20/x
  3. Step 3: Cross multiply
    57,172.91x = 85,767.66 × 17,733.20
  4. Step 4: Simplify right side
    57,172.91x = 1,520,934,639.47
  5. Step 5: Solve for x
    x = 1,520,934,639.47/57,172.91
  6. Step 6: Final answer
    x = 26,602.37

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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.