Home / 74,162.74-111,284.61-31,461.57

Finding the Fourth Proportional to 74,162.74, 111,284.61 and 31,461.57

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Solution

The fourth proportional to 74,162.74, 111,284.61 and 31,461.57 is: 47,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,162.74 : 111,284.61 = 31,461.57 : x
  2. Step 2: Convert to fraction form
    74,162.74/111,284.61 = 31,461.57/x
  3. Step 3: Cross multiply
    74,162.74x = 111,284.61 × 31,461.57
  4. Step 4: Simplify right side
    74,162.74x = 3,501,188,547.44
  5. Step 5: Solve for x
    x = 3,501,188,547.44/74,162.74
  6. Step 6: Final answer
    x = 47,209.54

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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.