Home / 68,918.04-103,161.06-47,445.48

Finding the Fourth Proportional to 68,918.04, 103,161.06 and 47,445.48

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Solution

The fourth proportional to 68,918.04, 103,161.06 and 47,445.48 is: 71,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,918.04 : 103,161.06 = 47,445.48 : x
  2. Step 2: Convert to fraction form
    68,918.04/103,161.06 = 47,445.48/x
  3. Step 3: Cross multiply
    68,918.04x = 103,161.06 × 47,445.48
  4. Step 4: Simplify right side
    68,918.04x = 4,894,526,009.01
  5. Step 5: Solve for x
    x = 4,894,526,009.01/68,918.04
  6. Step 6: Final answer
    x = 71,019.52

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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.