Home / 75,628.22-113,442.36-31,206.16

Finding the Fourth Proportional to 75,628.22, 113,442.36 and 31,206.16

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Solution

The fourth proportional to 75,628.22, 113,442.36 and 31,206.16 is: 46,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.22 : 113,442.36 = 31,206.16 : x
  2. Step 2: Convert to fraction form
    75,628.22/113,442.36 = 31,206.16/x
  3. Step 3: Cross multiply
    75,628.22x = 113,442.36 × 31,206.16
  4. Step 4: Simplify right side
    75,628.22x = 3,540,100,436.94
  5. Step 5: Solve for x
    x = 3,540,100,436.94/75,628.22
  6. Step 6: Final answer
    x = 46,809.25

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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.