Home / 74,823.48-111,750.03-67,789.44

Finding the Fourth Proportional to 74,823.48, 111,750.03 and 67,789.44

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Solution

The fourth proportional to 74,823.48, 111,750.03 and 67,789.44 is: 101,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,823.48 : 111,750.03 = 67,789.44 : x
  2. Step 2: Convert to fraction form
    74,823.48/111,750.03 = 67,789.44/x
  3. Step 3: Cross multiply
    74,823.48x = 111,750.03 × 67,789.44
  4. Step 4: Simplify right side
    74,823.48x = 7,575,471,953.68
  5. Step 5: Solve for x
    x = 7,575,471,953.68/74,823.48
  6. Step 6: Final answer
    x = 101,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.