Home / 70,647.14-105,970.44-18,056.54

Finding the Fourth Proportional to 70,647.14, 105,970.44 and 18,056.54

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Solution

The fourth proportional to 70,647.14, 105,970.44 and 18,056.54 is: 27,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,647.14 : 105,970.44 = 18,056.54 : x
  2. Step 2: Convert to fraction form
    70,647.14/105,970.44 = 18,056.54/x
  3. Step 3: Cross multiply
    70,647.14x = 105,970.44 × 18,056.54
  4. Step 4: Simplify right side
    70,647.14x = 1,913,459,488.68
  5. Step 5: Solve for x
    x = 1,913,459,488.68/70,647.14
  6. Step 6: Final answer
    x = 27,084.74

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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.