Home / 121,467.80-167,618.34-70,476.58

Finding the Fourth Proportional to 121,467.80, 167,618.34 and 70,476.58

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Solution

The fourth proportional to 121,467.80, 167,618.34 and 70,476.58 is: 97,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,467.80 : 167,618.34 = 70,476.58 : x
  2. Step 2: Convert to fraction form
    121,467.80/167,618.34 = 70,476.58/x
  3. Step 3: Cross multiply
    121,467.80x = 167,618.34 × 70,476.58
  4. Step 4: Simplify right side
    121,467.80x = 11,813,167,348.48
  5. Step 5: Solve for x
    x = 11,813,167,348.48/121,467.80
  6. Step 6: Final answer
    x = 97,253.49

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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.