Home / 56,790.24-85,214.16-25,618.56

Finding the Fourth Proportional to 56,790.24, 85,214.16 and 25,618.56

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Solution

The fourth proportional to 56,790.24, 85,214.16 and 25,618.56 is: 38,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.24 : 85,214.16 = 25,618.56 : x
  2. Step 2: Convert to fraction form
    56,790.24/85,214.16 = 25,618.56/x
  3. Step 3: Cross multiply
    56,790.24x = 85,214.16 × 25,618.56
  4. Step 4: Simplify right side
    56,790.24x = 2,183,064,070.81
  5. Step 5: Solve for x
    x = 2,183,064,070.81/56,790.24
  6. Step 6: Final answer
    x = 38,440.83

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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.