Home / 66,863.89-92,282.33-42,675.29

Finding the Fourth Proportional to 66,863.89, 92,282.33 and 42,675.29

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Solution

The fourth proportional to 66,863.89, 92,282.33 and 42,675.29 is: 58,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.89 : 92,282.33 = 42,675.29 : x
  2. Step 2: Convert to fraction form
    66,863.89/92,282.33 = 42,675.29/x
  3. Step 3: Cross multiply
    66,863.89x = 92,282.33 × 42,675.29
  4. Step 4: Simplify right side
    66,863.89x = 3,938,175,194.63
  5. Step 5: Solve for x
    x = 3,938,175,194.63/66,863.89
  6. Step 6: Final answer
    x = 58,898.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.