Home / 86,914.42-130,371.63-47,450.00

Finding the Fourth Proportional to 86,914.42, 130,371.63 and 47,450.00

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Solution

The fourth proportional to 86,914.42, 130,371.63 and 47,450.00 is: 71,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.42 : 130,371.63 = 47,450.00 : x
  2. Step 2: Convert to fraction form
    86,914.42/130,371.63 = 47,450.00/x
  3. Step 3: Cross multiply
    86,914.42x = 130,371.63 × 47,450.00
  4. Step 4: Simplify right side
    86,914.42x = 6,186,133,991.49
  5. Step 5: Solve for x
    x = 6,186,133,991.49/86,914.42
  6. Step 6: Final answer
    x = 71,175.00

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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.