Home / 121,141.44-181,734.84-38,016

Finding the Fourth Proportional to 121,141.44, 181,734.84 and 38,016

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Solution

The fourth proportional to 121,141.44, 181,734.84 and 38,016 is: 57,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,141.44 : 181,734.84 = 38,016 : x
  2. Step 2: Convert to fraction form
    121,141.44/181,734.84 = 38,016/x
  3. Step 3: Cross multiply
    121,141.44x = 181,734.84 × 38,016
  4. Step 4: Simplify right side
    121,141.44x = 6,908,831,677.44
  5. Step 5: Solve for x
    x = 6,908,831,677.44/121,141.44
  6. Step 6: Final answer
    x = 57,031.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.