Home / 90,554.94-135,824.58-40,621.68

Finding the Fourth Proportional to 90,554.94, 135,824.58 and 40,621.68

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Solution

The fourth proportional to 90,554.94, 135,824.58 and 40,621.68 is: 60,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,554.94 : 135,824.58 = 40,621.68 : x
  2. Step 2: Convert to fraction form
    90,554.94/135,824.58 = 40,621.68/x
  3. Step 3: Cross multiply
    90,554.94x = 135,824.58 × 40,621.68
  4. Step 4: Simplify right side
    90,554.94x = 5,517,422,624.89
  5. Step 5: Solve for x
    x = 5,517,422,624.89/90,554.94
  6. Step 6: Final answer
    x = 60,929.01

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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.