Home / 111,181.04-153,456.84-68,714

Finding the Fourth Proportional to 111,181.04, 153,456.84 and 68,714

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Solution

The fourth proportional to 111,181.04, 153,456.84 and 68,714 is: 94,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.04 : 153,456.84 = 68,714 : x
  2. Step 2: Convert to fraction form
    111,181.04/153,456.84 = 68,714/x
  3. Step 3: Cross multiply
    111,181.04x = 153,456.84 × 68,714
  4. Step 4: Simplify right side
    111,181.04x = 10,544,633,303.76
  5. Step 5: Solve for x
    x = 10,544,633,303.76/111,181.04
  6. Step 6: Final answer
    x = 94,842.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.