Home / 74,260.74-111,229.76-45,710.67

Finding the Fourth Proportional to 74,260.74, 111,229.76 and 45,710.67

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Solution

The fourth proportional to 74,260.74, 111,229.76 and 45,710.67 is: 68,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.74 : 111,229.76 = 45,710.67 : x
  2. Step 2: Convert to fraction form
    74,260.74/111,229.76 = 45,710.67/x
  3. Step 3: Cross multiply
    74,260.74x = 111,229.76 × 45,710.67
  4. Step 4: Simplify right side
    74,260.74x = 5,084,386,853.54
  5. Step 5: Solve for x
    x = 5,084,386,853.54/74,260.74
  6. Step 6: Final answer
    x = 68,466.69

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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.