Home / 121,029.41-167,010.64-70,045.87

Finding the Fourth Proportional to 121,029.41, 167,010.64 and 70,045.87

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Solution

The fourth proportional to 121,029.41, 167,010.64 and 70,045.87 is: 96,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.41 : 167,010.64 = 70,045.87 : x
  2. Step 2: Convert to fraction form
    121,029.41/167,010.64 = 70,045.87/x
  3. Step 3: Cross multiply
    121,029.41x = 167,010.64 × 70,045.87
  4. Step 4: Simplify right side
    121,029.41x = 11,698,405,578.06
  5. Step 5: Solve for x
    x = 11,698,405,578.06/121,029.41
  6. Step 6: Final answer
    x = 96,657.54

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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.