Home / 86,282.34-129,415.01-27,116.43

Finding the Fourth Proportional to 86,282.34, 129,415.01 and 27,116.43

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Solution

The fourth proportional to 86,282.34, 129,415.01 and 27,116.43 is: 40,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,282.34 : 129,415.01 = 27,116.43 : x
  2. Step 2: Convert to fraction form
    86,282.34/129,415.01 = 27,116.43/x
  3. Step 3: Cross multiply
    86,282.34x = 129,415.01 × 27,116.43
  4. Step 4: Simplify right side
    86,282.34x = 3,509,272,924.03
  5. Step 5: Solve for x
    x = 3,509,272,924.03/86,282.34
  6. Step 6: Final answer
    x = 40,671.97

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1.5x scale

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.