Home / 74,367.09-102,626.02-40,374.91

Finding the Fourth Proportional to 74,367.09, 102,626.02 and 40,374.91

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Solution

The fourth proportional to 74,367.09, 102,626.02 and 40,374.91 is: 55,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.09 : 102,626.02 = 40,374.91 : x
  2. Step 2: Convert to fraction form
    74,367.09/102,626.02 = 40,374.91/x
  3. Step 3: Cross multiply
    74,367.09x = 102,626.02 × 40,374.91
  4. Step 4: Simplify right side
    74,367.09x = 4,143,515,837.47
  5. Step 5: Solve for x
    x = 4,143,515,837.47/74,367.09
  6. Step 6: Final answer
    x = 55,717.06

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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.