Home / 71,122.22-98,151.49-40,907.51

Finding the Fourth Proportional to 71,122.22, 98,151.49 and 40,907.51

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Solution

The fourth proportional to 71,122.22, 98,151.49 and 40,907.51 is: 56,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122.22 : 98,151.49 = 40,907.51 : x
  2. Step 2: Convert to fraction form
    71,122.22/98,151.49 = 40,907.51/x
  3. Step 3: Cross multiply
    71,122.22x = 98,151.49 × 40,907.51
  4. Step 4: Simplify right side
    71,122.22x = 4,015,133,058.69
  5. Step 5: Solve for x
    x = 4,015,133,058.69/71,122.22
  6. Step 6: Final answer
    x = 56,453.99

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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.