Home / 112,091.49-168,100.34-40,997.97

Finding the Fourth Proportional to 112,091.49, 168,100.34 and 40,997.97

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Solution

The fourth proportional to 112,091.49, 168,100.34 and 40,997.97 is: 61,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091.49 : 168,100.34 = 40,997.97 : x
  2. Step 2: Convert to fraction form
    112,091.49/168,100.34 = 40,997.97/x
  3. Step 3: Cross multiply
    112,091.49x = 168,100.34 × 40,997.97
  4. Step 4: Simplify right side
    112,091.49x = 6,891,772,491.32
  5. Step 5: Solve for x
    x = 6,891,772,491.32/112,091.49
  6. Step 6: Final answer
    x = 61,483.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.