Home / 57,047.23-78,723.52-31,554.61

Finding the Fourth Proportional to 57,047.23, 78,723.52 and 31,554.61

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Solution

The fourth proportional to 57,047.23, 78,723.52 and 31,554.61 is: 43,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047.23 : 78,723.52 = 31,554.61 : x
  2. Step 2: Convert to fraction form
    57,047.23/78,723.52 = 31,554.61/x
  3. Step 3: Cross multiply
    57,047.23x = 78,723.52 × 31,554.61
  4. Step 4: Simplify right side
    57,047.23x = 2,484,089,695.73
  5. Step 5: Solve for x
    x = 2,484,089,695.73/57,047.23
  6. Step 6: Final answer
    x = 43,544.44

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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.