Home / 86,004.84-129,056.40-33,407.49

Finding the Fourth Proportional to 86,004.84, 129,056.40 and 33,407.49

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Solution

The fourth proportional to 86,004.84, 129,056.40 and 33,407.49 is: 50,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.84 : 129,056.40 = 33,407.49 : x
  2. Step 2: Convert to fraction form
    86,004.84/129,056.40 = 33,407.49/x
  3. Step 3: Cross multiply
    86,004.84x = 129,056.40 × 33,407.49
  4. Step 4: Simplify right side
    86,004.84x = 4,311,450,392.44
  5. Step 5: Solve for x
    x = 4,311,450,392.44/86,004.84
  6. Step 6: Final answer
    x = 50,130.32

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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.