Home / 121,586.06-167,788.11-70,611.32

Finding the Fourth Proportional to 121,586.06, 167,788.11 and 70,611.32

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Solution

The fourth proportional to 121,586.06, 167,788.11 and 70,611.32 is: 97,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,586.06 : 167,788.11 = 70,611.32 : x
  2. Step 2: Convert to fraction form
    121,586.06/167,788.11 = 70,611.32/x
  3. Step 3: Cross multiply
    121,586.06x = 167,788.11 × 70,611.32
  4. Step 4: Simplify right side
    121,586.06x = 11,847,739,927.41
  5. Step 5: Solve for x
    x = 11,847,739,927.41/121,586.06
  6. Step 6: Final answer
    x = 97,443.24

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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.