Home / 66,091.15-91,204.47-37,416.25

Finding the Fourth Proportional to 66,091.15, 91,204.47 and 37,416.25

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Solution

The fourth proportional to 66,091.15, 91,204.47 and 37,416.25 is: 51,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,091.15 : 91,204.47 = 37,416.25 : x
  2. Step 2: Convert to fraction form
    66,091.15/91,204.47 = 37,416.25/x
  3. Step 3: Cross multiply
    66,091.15x = 91,204.47 × 37,416.25
  4. Step 4: Simplify right side
    66,091.15x = 3,412,529,250.64
  5. Step 5: Solve for x
    x = 3,412,529,250.64/66,091.15
  6. Step 6: Final answer
    x = 51,633.68

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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.