Home / 86,181.36-118,890.36-50,372.88

Finding the Fourth Proportional to 86,181.36, 118,890.36 and 50,372.88

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Solution

The fourth proportional to 86,181.36, 118,890.36 and 50,372.88 is: 69,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.36 : 118,890.36 = 50,372.88 : x
  2. Step 2: Convert to fraction form
    86,181.36/118,890.36 = 50,372.88/x
  3. Step 3: Cross multiply
    86,181.36x = 118,890.36 × 50,372.88
  4. Step 4: Simplify right side
    86,181.36x = 5,988,849,837.44
  5. Step 5: Solve for x
    x = 5,988,849,837.44/86,181.36
  6. Step 6: Final answer
    x = 69,491.24

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1.5x scale

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.