Home / 70,912.48-106,405.74-45,946.02

Finding the Fourth Proportional to 70,912.48, 106,405.74 and 45,946.02

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Solution

The fourth proportional to 70,912.48, 106,405.74 and 45,946.02 is: 68,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.48 : 106,405.74 = 45,946.02 : x
  2. Step 2: Convert to fraction form
    70,912.48/106,405.74 = 45,946.02/x
  3. Step 3: Cross multiply
    70,912.48x = 106,405.74 × 45,946.02
  4. Step 4: Simplify right side
    70,912.48x = 4,888,920,258.15
  5. Step 5: Solve for x
    x = 4,888,920,258.15/70,912.48
  6. Step 6: Final answer
    x = 68,943.02

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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.