Home / 74,699.41-103,083.90-40,708.19

Finding the Fourth Proportional to 74,699.41, 103,083.90 and 40,708.19

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Solution

The fourth proportional to 74,699.41, 103,083.90 and 40,708.19 is: 56,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.41 : 103,083.90 = 40,708.19 : x
  2. Step 2: Convert to fraction form
    74,699.41/103,083.90 = 40,708.19/x
  3. Step 3: Cross multiply
    74,699.41x = 103,083.90 × 40,708.19
  4. Step 4: Simplify right side
    74,699.41x = 4,196,358,987.14
  5. Step 5: Solve for x
    x = 4,196,358,987.14/74,699.41
  6. Step 6: Final answer
    x = 56,176.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.