Home / 74,825.10-112,258.71-30,483.66

Finding the Fourth Proportional to 74,825.10, 112,258.71 and 30,483.66

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Solution

The fourth proportional to 74,825.10, 112,258.71 and 30,483.66 is: 45,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.10 : 112,258.71 = 30,483.66 : x
  2. Step 2: Convert to fraction form
    74,825.10/112,258.71 = 30,483.66/x
  3. Step 3: Cross multiply
    74,825.10x = 112,258.71 × 30,483.66
  4. Step 4: Simplify right side
    74,825.10x = 3,422,056,347.68
  5. Step 5: Solve for x
    x = 3,422,056,347.68/74,825.10
  6. Step 6: Final answer
    x = 45,734.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.