Home / 86,165.09-129,222.52-33,562.07

Finding the Fourth Proportional to 86,165.09, 129,222.52 and 33,562.07

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Solution

The fourth proportional to 86,165.09, 129,222.52 and 33,562.07 is: 50,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,165.09 : 129,222.52 = 33,562.07 : x
  2. Step 2: Convert to fraction form
    86,165.09/129,222.52 = 33,562.07/x
  3. Step 3: Cross multiply
    86,165.09x = 129,222.52 × 33,562.07
  4. Step 4: Simplify right side
    86,165.09x = 4,336,974,531.80
  5. Step 5: Solve for x
    x = 4,336,974,531.80/86,165.09
  6. Step 6: Final answer
    x = 50,333.32

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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.