Home / 74,302.82-111,263.93-40,985.85

Finding the Fourth Proportional to 74,302.82, 111,263.93 and 40,985.85

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Solution

The fourth proportional to 74,302.82, 111,263.93 and 40,985.85 is: 61,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.82 : 111,263.93 = 40,985.85 : x
  2. Step 2: Convert to fraction form
    74,302.82/111,263.93 = 40,985.85/x
  3. Step 3: Cross multiply
    74,302.82x = 111,263.93 × 40,985.85
  4. Step 4: Simplify right side
    74,302.82x = 4,560,246,485.54
  5. Step 5: Solve for x
    x = 4,560,246,485.54/74,302.82
  6. Step 6: Final answer
    x = 61,373.80

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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.