Home / 70,389.09-105,599.43-23,640.75

Finding the Fourth Proportional to 70,389.09, 105,599.43 and 23,640.75

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Solution

The fourth proportional to 70,389.09, 105,599.43 and 23,640.75 is: 35,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389.09 : 105,599.43 = 23,640.75 : x
  2. Step 2: Convert to fraction form
    70,389.09/105,599.43 = 23,640.75/x
  3. Step 3: Cross multiply
    70,389.09x = 105,599.43 × 23,640.75
  4. Step 4: Simplify right side
    70,389.09x = 2,496,449,724.77
  5. Step 5: Solve for x
    x = 2,496,449,724.77/70,389.09
  6. Step 6: Final answer
    x = 35,466.43

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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.