Home / 68,585.04-102,870.20-21,834.26

Finding the Fourth Proportional to 68,585.04, 102,870.20 and 21,834.26

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Solution

The fourth proportional to 68,585.04, 102,870.20 and 21,834.26 is: 32,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.04 : 102,870.20 = 21,834.26 : x
  2. Step 2: Convert to fraction form
    68,585.04/102,870.20 = 21,834.26/x
  3. Step 3: Cross multiply
    68,585.04x = 102,870.20 × 21,834.26
  4. Step 4: Simplify right side
    68,585.04x = 2,246,094,693.05
  5. Step 5: Solve for x
    x = 2,246,094,693.05/68,585.04
  6. Step 6: Final answer
    x = 32,749.05

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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.