Home / 70,989.03-106,483.59-39,846.15

Finding the Fourth Proportional to 70,989.03, 106,483.59 and 39,846.15

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Solution

The fourth proportional to 70,989.03, 106,483.59 and 39,846.15 is: 59,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,989.03 : 106,483.59 = 39,846.15 : x
  2. Step 2: Convert to fraction form
    70,989.03/106,483.59 = 39,846.15/x
  3. Step 3: Cross multiply
    70,989.03x = 106,483.59 × 39,846.15
  4. Step 4: Simplify right side
    70,989.03x = 4,242,961,099.68
  5. Step 5: Solve for x
    x = 4,242,961,099.68/70,989.03
  6. Step 6: Final answer
    x = 59,769.25

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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.