Home / 90,522.80-135,776.23-40,589.49

Finding the Fourth Proportional to 90,522.80, 135,776.23 and 40,589.49

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Solution

The fourth proportional to 90,522.80, 135,776.23 and 40,589.49 is: 60,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,522.80 : 135,776.23 = 40,589.49 : x
  2. Step 2: Convert to fraction form
    90,522.80/135,776.23 = 40,589.49/x
  3. Step 3: Cross multiply
    90,522.80x = 135,776.23 × 40,589.49
  4. Step 4: Simplify right side
    90,522.80x = 5,511,087,929.82
  5. Step 5: Solve for x
    x = 5,511,087,929.82/90,522.80
  6. Step 6: Final answer
    x = 60,880.66

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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.