Home / 70,912.11-106,296.40-45,968.01

Finding the Fourth Proportional to 70,912.11, 106,296.40 and 45,968.01

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Solution

The fourth proportional to 70,912.11, 106,296.40 and 45,968.01 is: 68,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.11 : 106,296.40 = 45,968.01 : x
  2. Step 2: Convert to fraction form
    70,912.11/106,296.40 = 45,968.01/x
  3. Step 3: Cross multiply
    70,912.11x = 106,296.40 × 45,968.01
  4. Step 4: Simplify right side
    70,912.11x = 4,886,233,637.01
  5. Step 5: Solve for x
    x = 4,886,233,637.01/70,912.11
  6. Step 6: Final answer
    x = 68,905.49

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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.