Home / 86,619.44-119,531.45-54,371.39

Finding the Fourth Proportional to 86,619.44, 119,531.45 and 54,371.39

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Solution

The fourth proportional to 86,619.44, 119,531.45 and 54,371.39 is: 75,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.44 : 119,531.45 = 54,371.39 : x
  2. Step 2: Convert to fraction form
    86,619.44/119,531.45 = 54,371.39/x
  3. Step 3: Cross multiply
    86,619.44x = 119,531.45 × 54,371.39
  4. Step 4: Simplify right side
    86,619.44x = 6,499,090,623.49
  5. Step 5: Solve for x
    x = 6,499,090,623.49/86,619.44
  6. Step 6: Final answer
    x = 75,030.39

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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.