Home / 66,412.36-91,673.58-40,922.92

Finding the Fourth Proportional to 66,412.36, 91,673.58 and 40,922.92

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Solution

The fourth proportional to 66,412.36, 91,673.58 and 40,922.92 is: 56,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,412.36 : 91,673.58 = 40,922.92 : x
  2. Step 2: Convert to fraction form
    66,412.36/91,673.58 = 40,922.92/x
  3. Step 3: Cross multiply
    66,412.36x = 91,673.58 × 40,922.92
  4. Step 4: Simplify right side
    66,412.36x = 3,751,550,580.45
  5. Step 5: Solve for x
    x = 3,751,550,580.45/66,412.36
  6. Step 6: Final answer
    x = 56,488.74

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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.