Home / 66,055.09-99,086.10-50,284.85

Finding the Fourth Proportional to 66,055.09, 99,086.10 and 50,284.85

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Solution

The fourth proportional to 66,055.09, 99,086.10 and 50,284.85 is: 75,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.09 : 99,086.10 = 50,284.85 : x
  2. Step 2: Convert to fraction form
    66,055.09/99,086.10 = 50,284.85/x
  3. Step 3: Cross multiply
    66,055.09x = 99,086.10 × 50,284.85
  4. Step 4: Simplify right side
    66,055.09x = 4,982,528,991.59
  5. Step 5: Solve for x
    x = 4,982,528,991.59/66,055.09
  6. Step 6: Final answer
    x = 75,429.90

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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.