Home / 75,166.47-103,728.58-41,174.68

Finding the Fourth Proportional to 75,166.47, 103,728.58 and 41,174.68

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Solution

The fourth proportional to 75,166.47, 103,728.58 and 41,174.68 is: 56,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166.47 : 103,728.58 = 41,174.68 : x
  2. Step 2: Convert to fraction form
    75,166.47/103,728.58 = 41,174.68/x
  3. Step 3: Cross multiply
    75,166.47x = 103,728.58 × 41,174.68
  4. Step 4: Simplify right side
    75,166.47x = 4,270,991,088.35
  5. Step 5: Solve for x
    x = 4,270,991,088.35/75,166.47
  6. Step 6: Final answer
    x = 56,820.43

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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.