Home / 74,750.25-103,155.35-41,218.41

Finding the Fourth Proportional to 74,750.25, 103,155.35 and 41,218.41

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Solution

The fourth proportional to 74,750.25, 103,155.35 and 41,218.41 is: 56,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.25 : 103,155.35 = 41,218.41 : x
  2. Step 2: Convert to fraction form
    74,750.25/103,155.35 = 41,218.41/x
  3. Step 3: Cross multiply
    74,750.25x = 103,155.35 × 41,218.41
  4. Step 4: Simplify right side
    74,750.25x = 4,251,899,303.90
  5. Step 5: Solve for x
    x = 4,251,899,303.90/74,750.25
  6. Step 6: Final answer
    x = 56,881.41

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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.