Home / 75,100.06-103,638.89-41,109.22

Finding the Fourth Proportional to 75,100.06, 103,638.89 and 41,109.22

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Solution

The fourth proportional to 75,100.06, 103,638.89 and 41,109.22 is: 56,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.06 : 103,638.89 = 41,109.22 : x
  2. Step 2: Convert to fraction form
    75,100.06/103,638.89 = 41,109.22/x
  3. Step 3: Cross multiply
    75,100.06x = 103,638.89 × 41,109.22
  4. Step 4: Simplify right side
    75,100.06x = 4,260,514,161.89
  5. Step 5: Solve for x
    x = 4,260,514,161.89/75,100.06
  6. Step 6: Final answer
    x = 56,731.17

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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.