Home / 78,266.10-117,191.79-41,252.34

Finding the Fourth Proportional to 78,266.10, 117,191.79 and 41,252.34

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Solution

The fourth proportional to 78,266.10, 117,191.79 and 41,252.34 is: 61,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,266.10 : 117,191.79 = 41,252.34 : x
  2. Step 2: Convert to fraction form
    78,266.10/117,191.79 = 41,252.34/x
  3. Step 3: Cross multiply
    78,266.10x = 117,191.79 × 41,252.34
  4. Step 4: Simplify right side
    78,266.10x = 4,834,435,566.29
  5. Step 5: Solve for x
    x = 4,834,435,566.29/78,266.10
  6. Step 6: Final answer
    x = 61,769.22

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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.