Home / 48,080.41-72,120.62-13,020.08

Finding the Fourth Proportional to 48,080.41, 72,120.62 and 13,020.08

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Solution

The fourth proportional to 48,080.41, 72,120.62 and 13,020.08 is: 19,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,080.41 : 72,120.62 = 13,020.08 : x
  2. Step 2: Convert to fraction form
    48,080.41/72,120.62 = 13,020.08/x
  3. Step 3: Cross multiply
    48,080.41x = 72,120.62 × 13,020.08
  4. Step 4: Simplify right side
    48,080.41x = 939,015,914.00
  5. Step 5: Solve for x
    x = 939,015,914.00/48,080.41
  6. Step 6: Final answer
    x = 19,530.12

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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.