Home / 74,734.36-103,132.74-41,200.36

Finding the Fourth Proportional to 74,734.36, 103,132.74 and 41,200.36

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Solution

The fourth proportional to 74,734.36, 103,132.74 and 41,200.36 is: 56,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.36 : 103,132.74 = 41,200.36 : x
  2. Step 2: Convert to fraction form
    74,734.36/103,132.74 = 41,200.36/x
  3. Step 3: Cross multiply
    74,734.36x = 103,132.74 × 41,200.36
  4. Step 4: Simplify right side
    74,734.36x = 4,249,106,015.79
  5. Step 5: Solve for x
    x = 4,249,106,015.79/74,734.36
  6. Step 6: Final answer
    x = 56,856.12

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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.