Home / 71,019.06-106,569.29-28,891.36

Finding the Fourth Proportional to 71,019.06, 106,569.29 and 28,891.36

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Solution

The fourth proportional to 71,019.06, 106,569.29 and 28,891.36 is: 43,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,019.06 : 106,569.29 = 28,891.36 : x
  2. Step 2: Convert to fraction form
    71,019.06/106,569.29 = 28,891.36/x
  3. Step 3: Cross multiply
    71,019.06x = 106,569.29 × 28,891.36
  4. Step 4: Simplify right side
    71,019.06x = 3,078,931,722.33
  5. Step 5: Solve for x
    x = 3,078,931,722.33/71,019.06
  6. Step 6: Final answer
    x = 43,353.60

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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.