Home / 66,280.11-91,465.20-36,066.03

Finding the Fourth Proportional to 66,280.11, 91,465.20 and 36,066.03

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Solution

The fourth proportional to 66,280.11, 91,465.20 and 36,066.03 is: 49,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.11 : 91,465.20 = 36,066.03 : x
  2. Step 2: Convert to fraction form
    66,280.11/91,465.20 = 36,066.03/x
  3. Step 3: Cross multiply
    66,280.11x = 91,465.20 × 36,066.03
  4. Step 4: Simplify right side
    66,280.11x = 3,298,786,466.83
  5. Step 5: Solve for x
    x = 3,298,786,466.83/66,280.11
  6. Step 6: Final answer
    x = 49,770.38

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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.