Home / 59,081.12-81,539.64-33,930.80

Finding the Fourth Proportional to 59,081.12, 81,539.64 and 33,930.80

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Solution

The fourth proportional to 59,081.12, 81,539.64 and 33,930.80 is: 46,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,081.12 : 81,539.64 = 33,930.80 : x
  2. Step 2: Convert to fraction form
    59,081.12/81,539.64 = 33,930.80/x
  3. Step 3: Cross multiply
    59,081.12x = 81,539.64 × 33,930.80
  4. Step 4: Simplify right side
    59,081.12x = 2,766,705,216.91
  5. Step 5: Solve for x
    x = 2,766,705,216.91/59,081.12
  6. Step 6: Final answer
    x = 46,828.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.