Home / 66,460.20-99,690.30-50,713.80

Finding the Fourth Proportional to 66,460.20, 99,690.30 and 50,713.80

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Solution

The fourth proportional to 66,460.20, 99,690.30 and 50,713.80 is: 76,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.20 : 99,690.30 = 50,713.80 : x
  2. Step 2: Convert to fraction form
    66,460.20/99,690.30 = 50,713.80/x
  3. Step 3: Cross multiply
    66,460.20x = 99,690.30 × 50,713.80
  4. Step 4: Simplify right side
    66,460.20x = 5,055,673,936.14
  5. Step 5: Solve for x
    x = 5,055,673,936.14/66,460.20
  6. Step 6: Final answer
    x = 76,070.70

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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.