Home / 66,051.96-91,153.26-37,760.28

Finding the Fourth Proportional to 66,051.96, 91,153.26 and 37,760.28

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Solution

The fourth proportional to 66,051.96, 91,153.26 and 37,760.28 is: 52,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051.96 : 91,153.26 = 37,760.28 : x
  2. Step 2: Convert to fraction form
    66,051.96/91,153.26 = 37,760.28/x
  3. Step 3: Cross multiply
    66,051.96x = 91,153.26 × 37,760.28
  4. Step 4: Simplify right side
    66,051.96x = 3,441,972,620.51
  5. Step 5: Solve for x
    x = 3,441,972,620.51/66,051.96
  6. Step 6: Final answer
    x = 52,110.08

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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.