Home / 70,436.78-105,645.92-34,884.26

Finding the Fourth Proportional to 70,436.78, 105,645.92 and 34,884.26

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Solution

The fourth proportional to 70,436.78, 105,645.92 and 34,884.26 is: 52,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.78 : 105,645.92 = 34,884.26 : x
  2. Step 2: Convert to fraction form
    70,436.78/105,645.92 = 34,884.26/x
  3. Step 3: Cross multiply
    70,436.78x = 105,645.92 × 34,884.26
  4. Step 4: Simplify right side
    70,436.78x = 3,685,379,038.57
  5. Step 5: Solve for x
    x = 3,685,379,038.57/70,436.78
  6. Step 6: Final answer
    x = 52,321.80

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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.