Home / 75,100.10-103,633.89-41,102.18

Finding the Fourth Proportional to 75,100.10, 103,633.89 and 41,102.18

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Solution

The fourth proportional to 75,100.10, 103,633.89 and 41,102.18 is: 56,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.10 : 103,633.89 = 41,102.18 : x
  2. Step 2: Convert to fraction form
    75,100.10/103,633.89 = 41,102.18/x
  3. Step 3: Cross multiply
    75,100.10x = 103,633.89 × 41,102.18
  4. Step 4: Simplify right side
    75,100.10x = 4,259,578,800.88
  5. Step 5: Solve for x
    x = 4,259,578,800.88/75,100.10
  6. Step 6: Final answer
    x = 56,718.68

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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.