Home / 56,500.94-77,971.30-31,350.44

Finding the Fourth Proportional to 56,500.94, 77,971.30 and 31,350.44

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Solution

The fourth proportional to 56,500.94, 77,971.30 and 31,350.44 is: 43,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.94 : 77,971.30 = 31,350.44 : x
  2. Step 2: Convert to fraction form
    56,500.94/77,971.30 = 31,350.44/x
  3. Step 3: Cross multiply
    56,500.94x = 77,971.30 × 31,350.44
  4. Step 4: Simplify right side
    56,500.94x = 2,444,434,562.37
  5. Step 5: Solve for x
    x = 2,444,434,562.37/56,500.94
  6. Step 6: Final answer
    x = 43,263.61

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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.