Home / 75,443.54-113,217.21-31,070.29

Finding the Fourth Proportional to 75,443.54, 113,217.21 and 31,070.29

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Solution

The fourth proportional to 75,443.54, 113,217.21 and 31,070.29 is: 46,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,443.54 : 113,217.21 = 31,070.29 : x
  2. Step 2: Convert to fraction form
    75,443.54/113,217.21 = 31,070.29/x
  3. Step 3: Cross multiply
    75,443.54x = 113,217.21 × 31,070.29
  4. Step 4: Simplify right side
    75,443.54x = 3,517,691,547.69
  5. Step 5: Solve for x
    x = 3,517,691,547.69/75,443.54
  6. Step 6: Final answer
    x = 46,626.81

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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.