Home / 66,454.07-91,708.81-36,241.88

Finding the Fourth Proportional to 66,454.07, 91,708.81 and 36,241.88

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Solution

The fourth proportional to 66,454.07, 91,708.81 and 36,241.88 is: 50,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.07 : 91,708.81 = 36,241.88 : x
  2. Step 2: Convert to fraction form
    66,454.07/91,708.81 = 36,241.88/x
  3. Step 3: Cross multiply
    66,454.07x = 91,708.81 × 36,241.88
  4. Step 4: Simplify right side
    66,454.07x = 3,323,699,137.81
  5. Step 5: Solve for x
    x = 3,323,699,137.81/66,454.07
  6. Step 6: Final answer
    x = 50,014.99

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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.