Home / 75,625.21-113,437.85-31,203.16

Finding the Fourth Proportional to 75,625.21, 113,437.85 and 31,203.16

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Solution

The fourth proportional to 75,625.21, 113,437.85 and 31,203.16 is: 46,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.21 : 113,437.85 = 31,203.16 : x
  2. Step 2: Convert to fraction form
    75,625.21/113,437.85 = 31,203.16/x
  3. Step 3: Cross multiply
    75,625.21x = 113,437.85 × 31,203.16
  4. Step 4: Simplify right side
    75,625.21x = 3,539,619,383.61
  5. Step 5: Solve for x
    x = 3,539,619,383.61/75,625.21
  6. Step 6: Final answer
    x = 46,804.75

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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.