Home / 74,712.96-103,095.36-41,178.24

Finding the Fourth Proportional to 74,712.96, 103,095.36 and 41,178.24

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Solution

The fourth proportional to 74,712.96, 103,095.36 and 41,178.24 is: 56,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,712.96 : 103,095.36 = 41,178.24 : x
  2. Step 2: Convert to fraction form
    74,712.96/103,095.36 = 41,178.24/x
  3. Step 3: Cross multiply
    74,712.96x = 103,095.36 × 41,178.24
  4. Step 4: Simplify right side
    74,712.96x = 4,245,285,476.97
  5. Step 5: Solve for x
    x = 4,245,285,476.97/74,712.96
  6. Step 6: Final answer
    x = 56,821.27

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1.5x scale

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.