Home / 68,996.64-103,325.04-39,341.28

Finding the Fourth Proportional to 68,996.64, 103,325.04 and 39,341.28

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Solution

The fourth proportional to 68,996.64, 103,325.04 and 39,341.28 is: 58,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996.64 : 103,325.04 = 39,341.28 : x
  2. Step 2: Convert to fraction form
    68,996.64/103,325.04 = 39,341.28/x
  3. Step 3: Cross multiply
    68,996.64x = 103,325.04 × 39,341.28
  4. Step 4: Simplify right side
    68,996.64x = 4,064,939,329.65
  5. Step 5: Solve for x
    x = 4,064,939,329.65/68,996.64
  6. Step 6: Final answer
    x = 58,915.03

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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.