Home / 53,105.56-79,707.57-26,828.80

Finding the Fourth Proportional to 53,105.56, 79,707.57 and 26,828.80

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Solution

The fourth proportional to 53,105.56, 79,707.57 and 26,828.80 is: 40,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.56 : 79,707.57 = 26,828.80 : x
  2. Step 2: Convert to fraction form
    53,105.56/79,707.57 = 26,828.80/x
  3. Step 3: Cross multiply
    53,105.56x = 79,707.57 × 26,828.80
  4. Step 4: Simplify right side
    53,105.56x = 2,138,458,454.02
  5. Step 5: Solve for x
    x = 2,138,458,454.02/53,105.56
  6. Step 6: Final answer
    x = 40,268.07

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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.