Home / 53,386.41-80,093.52-20,106.75

Finding the Fourth Proportional to 53,386.41, 80,093.52 and 20,106.75

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Solution

The fourth proportional to 53,386.41, 80,093.52 and 20,106.75 is: 30,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.41 : 80,093.52 = 20,106.75 : x
  2. Step 2: Convert to fraction form
    53,386.41/80,093.52 = 20,106.75/x
  3. Step 3: Cross multiply
    53,386.41x = 80,093.52 × 20,106.75
  4. Step 4: Simplify right side
    53,386.41x = 1,610,420,383.26
  5. Step 5: Solve for x
    x = 1,610,420,383.26/53,386.41
  6. Step 6: Final answer
    x = 30,165.36

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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.