Home / 121,003.08-166,959.66-70,692.36

Finding the Fourth Proportional to 121,003.08, 166,959.66 and 70,692.36

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Solution

The fourth proportional to 121,003.08, 166,959.66 and 70,692.36 is: 97,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003.08 : 166,959.66 = 70,692.36 : x
  2. Step 2: Convert to fraction form
    121,003.08/166,959.66 = 70,692.36/x
  3. Step 3: Cross multiply
    121,003.08x = 166,959.66 × 70,692.36
  4. Step 4: Simplify right side
    121,003.08x = 11,802,772,390.20
  5. Step 5: Solve for x
    x = 11,802,772,390.20/121,003.08
  6. Step 6: Final answer
    x = 97,541.09

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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.