Home / 112,035.40-167,988.30-41,921.80

Finding the Fourth Proportional to 112,035.40, 167,988.30 and 41,921.80

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Solution

The fourth proportional to 112,035.40, 167,988.30 and 41,921.80 is: 62,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035.40 : 167,988.30 = 41,921.80 : x
  2. Step 2: Convert to fraction form
    112,035.40/167,988.30 = 41,921.80/x
  3. Step 3: Cross multiply
    112,035.40x = 167,988.30 × 41,921.80
  4. Step 4: Simplify right side
    112,035.40x = 7,042,371,914.94
  5. Step 5: Solve for x
    x = 7,042,371,914.94/112,035.40
  6. Step 6: Final answer
    x = 62,858.45

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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.