Home / 75,379.08-113,071.02-37,918.68

Finding the Fourth Proportional to 75,379.08, 113,071.02 and 37,918.68

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Solution

The fourth proportional to 75,379.08, 113,071.02 and 37,918.68 is: 56,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.08 : 113,071.02 = 37,918.68 : x
  2. Step 2: Convert to fraction form
    75,379.08/113,071.02 = 37,918.68/x
  3. Step 3: Cross multiply
    75,379.08x = 113,071.02 × 37,918.68
  4. Step 4: Simplify right side
    75,379.08x = 4,287,503,824.65
  5. Step 5: Solve for x
    x = 4,287,503,824.65/75,379.08
  6. Step 6: Final answer
    x = 56,879.23

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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.