Home / 57,236.16-85,887-44,721.12

Finding the Fourth Proportional to 57,236.16, 85,887 and 44,721.12

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Solution

The fourth proportional to 57,236.16, 85,887 and 44,721.12 is: 67,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.16 : 85,887 = 44,721.12 : x
  2. Step 2: Convert to fraction form
    57,236.16/85,887 = 44,721.12/x
  3. Step 3: Cross multiply
    57,236.16x = 85,887 × 44,721.12
  4. Step 4: Simplify right side
    57,236.16x = 3,840,962,833.44
  5. Step 5: Solve for x
    x = 3,840,962,833.44/57,236.16
  6. Step 6: Final answer
    x = 67,107.28

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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.