Home / 57,163.57-78,896.77-32,980.15

Finding the Fourth Proportional to 57,163.57, 78,896.77 and 32,980.15

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Solution

The fourth proportional to 57,163.57, 78,896.77 and 32,980.15 is: 45,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163.57 : 78,896.77 = 32,980.15 : x
  2. Step 2: Convert to fraction form
    57,163.57/78,896.77 = 32,980.15/x
  3. Step 3: Cross multiply
    57,163.57x = 78,896.77 × 32,980.15
  4. Step 4: Simplify right side
    57,163.57x = 2,602,027,325.29
  5. Step 5: Solve for x
    x = 2,602,027,325.29/57,163.57
  6. Step 6: Final answer
    x = 45,518.98

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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.