Home / 73,990.14-102,106.25-39,998.64

Finding the Fourth Proportional to 73,990.14, 102,106.25 and 39,998.64

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Solution

The fourth proportional to 73,990.14, 102,106.25 and 39,998.64 is: 55,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,990.14 : 102,106.25 = 39,998.64 : x
  2. Step 2: Convert to fraction form
    73,990.14/102,106.25 = 39,998.64/x
  3. Step 3: Cross multiply
    73,990.14x = 102,106.25 × 39,998.64
  4. Step 4: Simplify right side
    73,990.14x = 4,084,111,468.40
  5. Step 5: Solve for x
    x = 4,084,111,468.40/73,990.14
  6. Step 6: Final answer
    x = 55,198.05

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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.