Home / 86,541.06-129,816.30-27,372.32

Finding the Fourth Proportional to 86,541.06, 129,816.30 and 27,372.32

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Solution

The fourth proportional to 86,541.06, 129,816.30 and 27,372.32 is: 41,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,541.06 : 129,816.30 = 27,372.32 : x
  2. Step 2: Convert to fraction form
    86,541.06/129,816.30 = 27,372.32/x
  3. Step 3: Cross multiply
    86,541.06x = 129,816.30 × 27,372.32
  4. Step 4: Simplify right side
    86,541.06x = 3,553,373,304.82
  5. Step 5: Solve for x
    x = 3,553,373,304.82/86,541.06
  6. Step 6: Final answer
    x = 41,059.97

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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.