Home / 66,604.60-91,927.47-39,733.66

Finding the Fourth Proportional to 66,604.60, 91,927.47 and 39,733.66

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Solution

The fourth proportional to 66,604.60, 91,927.47 and 39,733.66 is: 54,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.60 : 91,927.47 = 39,733.66 : x
  2. Step 2: Convert to fraction form
    66,604.60/91,927.47 = 39,733.66/x
  3. Step 3: Cross multiply
    66,604.60x = 91,927.47 × 39,733.66
  4. Step 4: Simplify right side
    66,604.60x = 3,652,614,837.64
  5. Step 5: Solve for x
    x = 3,652,614,837.64/66,604.60
  6. Step 6: Final answer
    x = 54,840.28

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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.