Home / 91,536.75-126,322.64-51,792.75

Finding the Fourth Proportional to 91,536.75, 126,322.64 and 51,792.75

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Solution

The fourth proportional to 91,536.75, 126,322.64 and 51,792.75 is: 71,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,536.75 : 126,322.64 = 51,792.75 : x
  2. Step 2: Convert to fraction form
    91,536.75/126,322.64 = 51,792.75/x
  3. Step 3: Cross multiply
    91,536.75x = 126,322.64 × 51,792.75
  4. Step 4: Simplify right side
    91,536.75x = 6,542,596,653.90
  5. Step 5: Solve for x
    x = 6,542,596,653.90/91,536.75
  6. Step 6: Final answer
    x = 71,475.08

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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.