Home / 53,922.50-74,404.30-31,257.07

Finding the Fourth Proportional to 53,922.50, 74,404.30 and 31,257.07

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Solution

The fourth proportional to 53,922.50, 74,404.30 and 31,257.07 is: 43,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.50 : 74,404.30 = 31,257.07 : x
  2. Step 2: Convert to fraction form
    53,922.50/74,404.30 = 31,257.07/x
  3. Step 3: Cross multiply
    53,922.50x = 74,404.30 × 31,257.07
  4. Step 4: Simplify right side
    53,922.50x = 2,325,660,413.40
  5. Step 5: Solve for x
    x = 2,325,660,413.40/53,922.50
  6. Step 6: Final answer
    x = 43,129.68

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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.