Home / 121,675.05-167,918.13-67,961.25

Finding the Fourth Proportional to 121,675.05, 167,918.13 and 67,961.25

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Solution

The fourth proportional to 121,675.05, 167,918.13 and 67,961.25 is: 93,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,675.05 : 167,918.13 = 67,961.25 : x
  2. Step 2: Convert to fraction form
    121,675.05/167,918.13 = 67,961.25/x
  3. Step 3: Cross multiply
    121,675.05x = 167,918.13 × 67,961.25
  4. Step 4: Simplify right side
    121,675.05x = 11,411,926,012.46
  5. Step 5: Solve for x
    x = 11,411,926,012.46/121,675.05
  6. Step 6: Final answer
    x = 93,790.19

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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.