Home / 53,395.41-80,238.62-28,453.28

Finding the Fourth Proportional to 53,395.41, 80,238.62 and 28,453.28

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Solution

The fourth proportional to 53,395.41, 80,238.62 and 28,453.28 is: 42,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.41 : 80,238.62 = 28,453.28 : x
  2. Step 2: Convert to fraction form
    53,395.41/80,238.62 = 28,453.28/x
  3. Step 3: Cross multiply
    53,395.41x = 80,238.62 × 28,453.28
  4. Step 4: Simplify right side
    53,395.41x = 2,283,051,378.21
  5. Step 5: Solve for x
    x = 2,283,051,378.21/53,395.41
  6. Step 6: Final answer
    x = 42,757.45

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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.