Home / 74,706.44-103,093.47-40,715.19

Finding the Fourth Proportional to 74,706.44, 103,093.47 and 40,715.19

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Solution

The fourth proportional to 74,706.44, 103,093.47 and 40,715.19 is: 56,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.44 : 103,093.47 = 40,715.19 : x
  2. Step 2: Convert to fraction form
    74,706.44/103,093.47 = 40,715.19/x
  3. Step 3: Cross multiply
    74,706.44x = 103,093.47 × 40,715.19
  4. Step 4: Simplify right side
    74,706.44x = 4,197,470,218.81
  5. Step 5: Solve for x
    x = 4,197,470,218.81/74,706.44
  6. Step 6: Final answer
    x = 56,186.19

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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.