Home / 90,461.60-124,832.61-50,171.79

Finding the Fourth Proportional to 90,461.60, 124,832.61 and 50,171.79

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Solution

The fourth proportional to 90,461.60, 124,832.61 and 50,171.79 is: 69,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,461.60 : 124,832.61 = 50,171.79 : x
  2. Step 2: Convert to fraction form
    90,461.60/124,832.61 = 50,171.79/x
  3. Step 3: Cross multiply
    90,461.60x = 124,832.61 × 50,171.79
  4. Step 4: Simplify right side
    90,461.60x = 6,263,075,494.07
  5. Step 5: Solve for x
    x = 6,263,075,494.07/90,461.60
  6. Step 6: Final answer
    x = 69,234.63

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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.