Home / 53,755.93-74,192.88-31,091.77

Finding the Fourth Proportional to 53,755.93, 74,192.88 and 31,091.77

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Solution

The fourth proportional to 53,755.93, 74,192.88 and 31,091.77 is: 42,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.93 : 74,192.88 = 31,091.77 : x
  2. Step 2: Convert to fraction form
    53,755.93/74,192.88 = 31,091.77/x
  3. Step 3: Cross multiply
    53,755.93x = 74,192.88 × 31,091.77
  4. Step 4: Simplify right side
    53,755.93x = 2,306,787,960.60
  5. Step 5: Solve for x
    x = 2,306,787,960.60/53,755.93
  6. Step 6: Final answer
    x = 42,912.25

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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.