Home / 53,086.56-79,679.07-26,809.77

Finding the Fourth Proportional to 53,086.56, 79,679.07 and 26,809.77

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Solution

The fourth proportional to 53,086.56, 79,679.07 and 26,809.77 is: 40,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.56 : 79,679.07 = 26,809.77 : x
  2. Step 2: Convert to fraction form
    53,086.56/79,679.07 = 26,809.77/x
  3. Step 3: Cross multiply
    53,086.56x = 79,679.07 × 26,809.77
  4. Step 4: Simplify right side
    53,086.56x = 2,136,177,540.51
  5. Step 5: Solve for x
    x = 2,136,177,540.51/53,086.56
  6. Step 6: Final answer
    x = 40,239.52

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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.