Home / 70,450.25-105,689.21-26,077.37

Finding the Fourth Proportional to 70,450.25, 105,689.21 and 26,077.37

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Solution

The fourth proportional to 70,450.25, 105,689.21 and 26,077.37 is: 39,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.25 : 105,689.21 = 26,077.37 : x
  2. Step 2: Convert to fraction form
    70,450.25/105,689.21 = 26,077.37/x
  3. Step 3: Cross multiply
    70,450.25x = 105,689.21 × 26,077.37
  4. Step 4: Simplify right side
    70,450.25x = 2,756,095,975.34
  5. Step 5: Solve for x
    x = 2,756,095,975.34/70,450.25
  6. Step 6: Final answer
    x = 39,121.17

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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.