Home / 75,627.22-113,440.86-31,205.16

Finding the Fourth Proportional to 75,627.22, 113,440.86 and 31,205.16

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Solution

The fourth proportional to 75,627.22, 113,440.86 and 31,205.16 is: 46,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.22 : 113,440.86 = 31,205.16 : x
  2. Step 2: Convert to fraction form
    75,627.22/113,440.86 = 31,205.16/x
  3. Step 3: Cross multiply
    75,627.22x = 113,440.86 × 31,205.16
  4. Step 4: Simplify right side
    75,627.22x = 3,539,940,186.84
  5. Step 5: Solve for x
    x = 3,539,940,186.84/75,627.22
  6. Step 6: Final answer
    x = 46,807.75

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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.