Home / 53,403.96-80,129.36-25,344.28

Finding the Fourth Proportional to 53,403.96, 80,129.36 and 25,344.28

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Solution

The fourth proportional to 53,403.96, 80,129.36 and 25,344.28 is: 38,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.96 : 80,129.36 = 25,344.28 : x
  2. Step 2: Convert to fraction form
    53,403.96/80,129.36 = 25,344.28/x
  3. Step 3: Cross multiply
    53,403.96x = 80,129.36 × 25,344.28
  4. Step 4: Simplify right side
    53,403.96x = 2,030,820,936.06
  5. Step 5: Solve for x
    x = 2,030,820,936.06/53,403.96
  6. Step 6: Final answer
    x = 38,027.53

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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.