Home / 68,678.15-102,934.04-29,152.26

Finding the Fourth Proportional to 68,678.15, 102,934.04 and 29,152.26

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Solution

The fourth proportional to 68,678.15, 102,934.04 and 29,152.26 is: 43,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678.15 : 102,934.04 = 29,152.26 : x
  2. Step 2: Convert to fraction form
    68,678.15/102,934.04 = 29,152.26/x
  3. Step 3: Cross multiply
    68,678.15x = 102,934.04 × 29,152.26
  4. Step 4: Simplify right side
    68,678.15x = 3,000,759,751.17
  5. Step 5: Solve for x
    x = 3,000,759,751.17/68,678.15
  6. Step 6: Final answer
    x = 43,693.08

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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.