Home / 53,091.60-79,581.48-26,740.96

Finding the Fourth Proportional to 53,091.60, 79,581.48 and 26,740.96

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Solution

The fourth proportional to 53,091.60, 79,581.48 and 26,740.96 is: 40,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.60 : 79,581.48 = 26,740.96 : x
  2. Step 2: Convert to fraction form
    53,091.60/79,581.48 = 26,740.96/x
  3. Step 3: Cross multiply
    53,091.60x = 79,581.48 × 26,740.96
  4. Step 4: Simplify right side
    53,091.60x = 2,128,085,173.42
  5. Step 5: Solve for x
    x = 2,128,085,173.42/53,091.60
  6. Step 6: Final answer
    x = 40,083.27

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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.