Home / 121,486.23-167,651.47-67,775.33

Finding the Fourth Proportional to 121,486.23, 167,651.47 and 67,775.33

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Solution

The fourth proportional to 121,486.23, 167,651.47 and 67,775.33 is: 93,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,486.23 : 167,651.47 = 67,775.33 : x
  2. Step 2: Convert to fraction form
    121,486.23/167,651.47 = 67,775.33/x
  3. Step 3: Cross multiply
    121,486.23x = 167,651.47 × 67,775.33
  4. Step 4: Simplify right side
    121,486.23x = 11,362,634,208.08
  5. Step 5: Solve for x
    x = 11,362,634,208.08/121,486.23
  6. Step 6: Final answer
    x = 93,530.22

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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.