Home / 72,317.22-108,288.90-49,897.02

Finding the Fourth Proportional to 72,317.22, 108,288.90 and 49,897.02

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Solution

The fourth proportional to 72,317.22, 108,288.90 and 49,897.02 is: 74,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,317.22 : 108,288.90 = 49,897.02 : x
  2. Step 2: Convert to fraction form
    72,317.22/108,288.90 = 49,897.02/x
  3. Step 3: Cross multiply
    72,317.22x = 108,288.90 × 49,897.02
  4. Step 4: Simplify right side
    72,317.22x = 5,403,293,409.08
  5. Step 5: Solve for x
    x = 5,403,293,409.08/72,317.22
  6. Step 6: Final answer
    x = 74,716.55

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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.