Home / 53,892.76-81,021.57-43,436.16

Finding the Fourth Proportional to 53,892.76, 81,021.57 and 43,436.16

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Solution

The fourth proportional to 53,892.76, 81,021.57 and 43,436.16 is: 65,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.76 : 81,021.57 = 43,436.16 : x
  2. Step 2: Convert to fraction form
    53,892.76/81,021.57 = 43,436.16/x
  3. Step 3: Cross multiply
    53,892.76x = 81,021.57 × 43,436.16
  4. Step 4: Simplify right side
    53,892.76x = 3,519,265,877.97
  5. Step 5: Solve for x
    x = 3,519,265,877.97/53,892.76
  6. Step 6: Final answer
    x = 65,301.27

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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.