Home / 68,626.04-102,928.66-18,710.19

Finding the Fourth Proportional to 68,626.04, 102,928.66 and 18,710.19

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Solution

The fourth proportional to 68,626.04, 102,928.66 and 18,710.19 is: 28,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.04 : 102,928.66 = 18,710.19 : x
  2. Step 2: Convert to fraction form
    68,626.04/102,928.66 = 18,710.19/x
  3. Step 3: Cross multiply
    68,626.04x = 102,928.66 × 18,710.19
  4. Step 4: Simplify right side
    68,626.04x = 1,925,814,738.27
  5. Step 5: Solve for x
    x = 1,925,814,738.27/68,626.04
  6. Step 6: Final answer
    x = 28,062.45

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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.