Home / 66,470.18-91,727.39-36,255.83

Finding the Fourth Proportional to 66,470.18, 91,727.39 and 36,255.83

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Solution

The fourth proportional to 66,470.18, 91,727.39 and 36,255.83 is: 50,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470.18 : 91,727.39 = 36,255.83 : x
  2. Step 2: Convert to fraction form
    66,470.18/91,727.39 = 36,255.83/x
  3. Step 3: Cross multiply
    66,470.18x = 91,727.39 × 36,255.83
  4. Step 4: Simplify right side
    66,470.18x = 3,325,652,290.19
  5. Step 5: Solve for x
    x = 3,325,652,290.19/66,470.18
  6. Step 6: Final answer
    x = 50,032.25

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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.