Home / 74,222.91-111,321.95-26,829.02

Finding the Fourth Proportional to 74,222.91, 111,321.95 and 26,829.02

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Solution

The fourth proportional to 74,222.91, 111,321.95 and 26,829.02 is: 40,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.91 : 111,321.95 = 26,829.02 : x
  2. Step 2: Convert to fraction form
    74,222.91/111,321.95 = 26,829.02/x
  3. Step 3: Cross multiply
    74,222.91x = 111,321.95 × 26,829.02
  4. Step 4: Simplify right side
    74,222.91x = 2,986,658,967.15
  5. Step 5: Solve for x
    x = 2,986,658,967.15/74,222.91
  6. Step 6: Final answer
    x = 40,239.05

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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.