Home / 121,478.22-167,602.73-70,473.24

Finding the Fourth Proportional to 121,478.22, 167,602.73 and 70,473.24

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Solution

The fourth proportional to 121,478.22, 167,602.73 and 70,473.24 is: 97,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,478.22 : 167,602.73 = 70,473.24 : x
  2. Step 2: Convert to fraction form
    121,478.22/167,602.73 = 70,473.24/x
  3. Step 3: Cross multiply
    121,478.22x = 167,602.73 × 70,473.24
  4. Step 4: Simplify right side
    121,478.22x = 11,811,507,063.58
  5. Step 5: Solve for x
    x = 11,811,507,063.58/121,478.22
  6. Step 6: Final answer
    x = 97,231.48

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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.