Home / 78,094.24-107,770.26-42,283.96

Finding the Fourth Proportional to 78,094.24, 107,770.26 and 42,283.96

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Solution

The fourth proportional to 78,094.24, 107,770.26 and 42,283.96 is: 58,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.24 : 107,770.26 = 42,283.96 : x
  2. Step 2: Convert to fraction form
    78,094.24/107,770.26 = 42,283.96/x
  3. Step 3: Cross multiply
    78,094.24x = 107,770.26 × 42,283.96
  4. Step 4: Simplify right side
    78,094.24x = 4,556,953,363.03
  5. Step 5: Solve for x
    x = 4,556,953,363.03/78,094.24
  6. Step 6: Final answer
    x = 58,351.98

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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.