Home / 103,091.08-154,656.06-40,766.44

Finding the Fourth Proportional to 103,091.08, 154,656.06 and 40,766.44

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Solution

The fourth proportional to 103,091.08, 154,656.06 and 40,766.44 is: 61,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.08 : 154,656.06 = 40,766.44 : x
  2. Step 2: Convert to fraction form
    103,091.08/154,656.06 = 40,766.44/x
  3. Step 3: Cross multiply
    103,091.08x = 154,656.06 × 40,766.44
  4. Step 4: Simplify right side
    103,091.08x = 6,304,776,990.63
  5. Step 5: Solve for x
    x = 6,304,776,990.63/103,091.08
  6. Step 6: Final answer
    x = 61,157.35

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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.