Home / 75,531.01-113,222.62-31,195.12

Finding the Fourth Proportional to 75,531.01, 113,222.62 and 31,195.12

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Solution

The fourth proportional to 75,531.01, 113,222.62 and 31,195.12 is: 46,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.01 : 113,222.62 = 31,195.12 : x
  2. Step 2: Convert to fraction form
    75,531.01/113,222.62 = 31,195.12/x
  3. Step 3: Cross multiply
    75,531.01x = 113,222.62 × 31,195.12
  4. Step 4: Simplify right side
    75,531.01x = 3,531,993,217.61
  5. Step 5: Solve for x
    x = 3,531,993,217.61/75,531.01
  6. Step 6: Final answer
    x = 46,762.16

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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.