Home / 70,763.13-106,141.23-26,386.41

Finding the Fourth Proportional to 70,763.13, 106,141.23 and 26,386.41

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Solution

The fourth proportional to 70,763.13, 106,141.23 and 26,386.41 is: 39,578.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,763.13 : 106,141.23 = 26,386.41 : x
  2. Step 2: Convert to fraction form
    70,763.13/106,141.23 = 26,386.41/x
  3. Step 3: Cross multiply
    70,763.13x = 106,141.23 × 26,386.41
  4. Step 4: Simplify right side
    70,763.13x = 2,800,686,012.68
  5. Step 5: Solve for x
    x = 2,800,686,012.68/70,763.13
  6. Step 6: Final answer
    x = 39,578.32

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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.