Home / 68,975.10-103,460.58-19,058.22

Finding the Fourth Proportional to 68,975.10, 103,460.58 and 19,058.22

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Solution

The fourth proportional to 68,975.10, 103,460.58 and 19,058.22 is: 28,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.10 : 103,460.58 = 19,058.22 : x
  2. Step 2: Convert to fraction form
    68,975.10/103,460.58 = 19,058.22/x
  3. Step 3: Cross multiply
    68,975.10x = 103,460.58 × 19,058.22
  4. Step 4: Simplify right side
    68,975.10x = 1,971,774,494.97
  5. Step 5: Solve for x
    x = 1,971,774,494.97/68,975.10
  6. Step 6: Final answer
    x = 28,586.76

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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.