Home / 57,201.12-85,802.19-23,485.68

Finding the Fourth Proportional to 57,201.12, 85,802.19 and 23,485.68

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Solution

The fourth proportional to 57,201.12, 85,802.19 and 23,485.68 is: 35,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201.12 : 85,802.19 = 23,485.68 : x
  2. Step 2: Convert to fraction form
    57,201.12/85,802.19 = 23,485.68/x
  3. Step 3: Cross multiply
    57,201.12x = 85,802.19 × 23,485.68
  4. Step 4: Simplify right side
    57,201.12x = 2,015,122,689.57
  5. Step 5: Solve for x
    x = 2,015,122,689.57/57,201.12
  6. Step 6: Final answer
    x = 35,228.73

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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.