Home / 57,254.82-79,012.13-31,762.85

Finding the Fourth Proportional to 57,254.82, 79,012.13 and 31,762.85

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Solution

The fourth proportional to 57,254.82, 79,012.13 and 31,762.85 is: 43,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.82 : 79,012.13 = 31,762.85 : x
  2. Step 2: Convert to fraction form
    57,254.82/79,012.13 = 31,762.85/x
  3. Step 3: Cross multiply
    57,254.82x = 79,012.13 × 31,762.85
  4. Step 4: Simplify right side
    57,254.82x = 2,509,649,879.50
  5. Step 5: Solve for x
    x = 2,509,649,879.50/57,254.82
  6. Step 6: Final answer
    x = 43,832.99

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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.