Home / 90,482.21-124,855.32-50,185.88

Finding the Fourth Proportional to 90,482.21, 124,855.32 and 50,185.88

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Solution

The fourth proportional to 90,482.21, 124,855.32 and 50,185.88 is: 69,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,482.21 : 124,855.32 = 50,185.88 : x
  2. Step 2: Convert to fraction form
    90,482.21/124,855.32 = 50,185.88/x
  3. Step 3: Cross multiply
    90,482.21x = 124,855.32 × 50,185.88
  4. Step 4: Simplify right side
    90,482.21x = 6,265,974,139.01
  5. Step 5: Solve for x
    x = 6,265,974,139.01/90,482.21
  6. Step 6: Final answer
    x = 69,250.89

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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.