Home / 74,699.19-103,083.53-40,707.96

Finding the Fourth Proportional to 74,699.19, 103,083.53 and 40,707.96

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Solution

The fourth proportional to 74,699.19, 103,083.53 and 40,707.96 is: 56,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.19 : 103,083.53 = 40,707.96 : x
  2. Step 2: Convert to fraction form
    74,699.19/103,083.53 = 40,707.96/x
  3. Step 3: Cross multiply
    74,699.19x = 103,083.53 × 40,707.96
  4. Step 4: Simplify right side
    74,699.19x = 4,196,320,012.36
  5. Step 5: Solve for x
    x = 4,196,320,012.36/74,699.19
  6. Step 6: Final answer
    x = 56,176.25

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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.