Home / 68,837.04-102,994.72-40,772.16

Finding the Fourth Proportional to 68,837.04, 102,994.72 and 40,772.16

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Solution

The fourth proportional to 68,837.04, 102,994.72 and 40,772.16 is: 61,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,837.04 : 102,994.72 = 40,772.16 : x
  2. Step 2: Convert to fraction form
    68,837.04/102,994.72 = 40,772.16/x
  3. Step 3: Cross multiply
    68,837.04x = 102,994.72 × 40,772.16
  4. Step 4: Simplify right side
    68,837.04x = 4,199,317,203.00
  5. Step 5: Solve for x
    x = 4,199,317,203.00/68,837.04
  6. Step 6: Final answer
    x = 61,003.74

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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.