Home / 74,077.57-102,226.27-40,085.31

Finding the Fourth Proportional to 74,077.57, 102,226.27 and 40,085.31

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Solution

The fourth proportional to 74,077.57, 102,226.27 and 40,085.31 is: 55,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.57 : 102,226.27 = 40,085.31 : x
  2. Step 2: Convert to fraction form
    74,077.57/102,226.27 = 40,085.31/x
  3. Step 3: Cross multiply
    74,077.57x = 102,226.27 × 40,085.31
  4. Step 4: Simplify right side
    74,077.57x = 4,097,772,081.39
  5. Step 5: Solve for x
    x = 4,097,772,081.39/74,077.57
  6. Step 6: Final answer
    x = 55,317.31

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