Home / 57,229.06-78,976.28-31,737.24

Finding the Fourth Proportional to 57,229.06, 78,976.28 and 31,737.24

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Solution

The fourth proportional to 57,229.06, 78,976.28 and 31,737.24 is: 43,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.06 : 78,976.28 = 31,737.24 : x
  2. Step 2: Convert to fraction form
    57,229.06/78,976.28 = 31,737.24/x
  3. Step 3: Cross multiply
    57,229.06x = 78,976.28 × 31,737.24
  4. Step 4: Simplify right side
    57,229.06x = 2,506,489,152.67
  5. Step 5: Solve for x
    x = 2,506,489,152.67/57,229.06
  6. Step 6: Final answer
    x = 43,797.49

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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.