Home / 74,640.74-103,003.77-41,106.50

Finding the Fourth Proportional to 74,640.74, 103,003.77 and 41,106.50

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Solution

The fourth proportional to 74,640.74, 103,003.77 and 41,106.50 is: 56,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640.74 : 103,003.77 = 41,106.50 : x
  2. Step 2: Convert to fraction form
    74,640.74/103,003.77 = 41,106.50/x
  3. Step 3: Cross multiply
    74,640.74x = 103,003.77 × 41,106.50
  4. Step 4: Simplify right side
    74,640.74x = 4,234,124,471.51
  5. Step 5: Solve for x
    x = 4,234,124,471.51/74,640.74
  6. Step 6: Final answer
    x = 56,726.72

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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.