Home / 66,186.96-91,339.56-35,973.96

Finding the Fourth Proportional to 66,186.96, 91,339.56 and 35,973.96

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Solution

The fourth proportional to 66,186.96, 91,339.56 and 35,973.96 is: 49,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.96 : 91,339.56 = 35,973.96 : x
  2. Step 2: Convert to fraction form
    66,186.96/91,339.56 = 35,973.96/x
  3. Step 3: Cross multiply
    66,186.96x = 91,339.56 × 35,973.96
  4. Step 4: Simplify right side
    66,186.96x = 3,285,845,677.86
  5. Step 5: Solve for x
    x = 3,285,845,677.86/66,186.96
  6. Step 6: Final answer
    x = 49,644.91

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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.