Home / 74,405.80-111,466.14-71,904.52

Finding the Fourth Proportional to 74,405.80, 111,466.14 and 71,904.52

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Solution

The fourth proportional to 74,405.80, 111,466.14 and 71,904.52 is: 107,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,405.80 : 111,466.14 = 71,904.52 : x
  2. Step 2: Convert to fraction form
    74,405.80/111,466.14 = 71,904.52/x
  3. Step 3: Cross multiply
    74,405.80x = 111,466.14 × 71,904.52
  4. Step 4: Simplify right side
    74,405.80x = 8,014,919,292.95
  5. Step 5: Solve for x
    x = 8,014,919,292.95/74,405.80
  6. Step 6: Final answer
    x = 107,719.01

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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.