Home / 53,186.58-79,753.55-31,005.54

Finding the Fourth Proportional to 53,186.58, 79,753.55 and 31,005.54

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Solution

The fourth proportional to 53,186.58, 79,753.55 and 31,005.54 is: 46,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.58 : 79,753.55 = 31,005.54 : x
  2. Step 2: Convert to fraction form
    53,186.58/79,753.55 = 31,005.54/x
  3. Step 3: Cross multiply
    53,186.58x = 79,753.55 × 31,005.54
  4. Step 4: Simplify right side
    53,186.58x = 2,472,801,729.64
  5. Step 5: Solve for x
    x = 2,472,801,729.64/53,186.58
  6. Step 6: Final answer
    x = 46,492.96

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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.