Home / 53,185.14-79,778.34-26,890.92

Finding the Fourth Proportional to 53,185.14, 79,778.34 and 26,890.92

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Solution

The fourth proportional to 53,185.14, 79,778.34 and 26,890.92 is: 40,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185.14 : 79,778.34 = 26,890.92 : x
  2. Step 2: Convert to fraction form
    53,185.14/79,778.34 = 26,890.92/x
  3. Step 3: Cross multiply
    53,185.14x = 79,778.34 × 26,890.92
  4. Step 4: Simplify right side
    53,185.14x = 2,145,312,958.67
  5. Step 5: Solve for x
    x = 2,145,312,958.67/53,185.14
  6. Step 6: Final answer
    x = 40,336.70

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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.