Home / 86,192.98-129,289.37-27,033.21

Finding the Fourth Proportional to 86,192.98, 129,289.37 and 27,033.21

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Solution

The fourth proportional to 86,192.98, 129,289.37 and 27,033.21 is: 40,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,192.98 : 129,289.37 = 27,033.21 : x
  2. Step 2: Convert to fraction form
    86,192.98/129,289.37 = 27,033.21/x
  3. Step 3: Cross multiply
    86,192.98x = 129,289.37 × 27,033.21
  4. Step 4: Simplify right side
    86,192.98x = 3,495,106,554.81
  5. Step 5: Solve for x
    x = 3,495,106,554.81/86,192.98
  6. Step 6: Final answer
    x = 40,549.78

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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.