Home / 90,054.36-135,081.54-33,907.07

Finding the Fourth Proportional to 90,054.36, 135,081.54 and 33,907.07

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Solution

The fourth proportional to 90,054.36, 135,081.54 and 33,907.07 is: 50,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,054.36 : 135,081.54 = 33,907.07 : x
  2. Step 2: Convert to fraction form
    90,054.36/135,081.54 = 33,907.07/x
  3. Step 3: Cross multiply
    90,054.36x = 135,081.54 × 33,907.07
  4. Step 4: Simplify right side
    90,054.36x = 4,580,218,557.08
  5. Step 5: Solve for x
    x = 4,580,218,557.08/90,054.36
  6. Step 6: Final answer
    x = 50,860.60

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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.