Home / 121,669.42-167,867.06-70,672.22

Finding the Fourth Proportional to 121,669.42, 167,867.06 and 70,672.22

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Solution

The fourth proportional to 121,669.42, 167,867.06 and 70,672.22 is: 97,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.42 : 167,867.06 = 70,672.22 : x
  2. Step 2: Convert to fraction form
    121,669.42/167,867.06 = 70,672.22/x
  3. Step 3: Cross multiply
    121,669.42x = 167,867.06 × 70,672.22
  4. Step 4: Simplify right side
    121,669.42x = 11,863,537,902.77
  5. Step 5: Solve for x
    x = 11,863,537,902.77/121,669.42
  6. Step 6: Final answer
    x = 97,506.33

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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.