Home / 74,825.51-103,259.79-40,834.26

Finding the Fourth Proportional to 74,825.51, 103,259.79 and 40,834.26

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Solution

The fourth proportional to 74,825.51, 103,259.79 and 40,834.26 is: 56,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.51 : 103,259.79 = 40,834.26 : x
  2. Step 2: Convert to fraction form
    74,825.51/103,259.79 = 40,834.26/x
  3. Step 3: Cross multiply
    74,825.51x = 103,259.79 × 40,834.26
  4. Step 4: Simplify right side
    74,825.51x = 4,216,537,112.41
  5. Step 5: Solve for x
    x = 4,216,537,112.41/74,825.51
  6. Step 6: Final answer
    x = 56,351.60

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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.