Home / 75,681.63-104,441.40-41,690.25

Finding the Fourth Proportional to 75,681.63, 104,441.40 and 41,690.25

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Solution

The fourth proportional to 75,681.63, 104,441.40 and 41,690.25 is: 57,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.63 : 104,441.40 = 41,690.25 : x
  2. Step 2: Convert to fraction form
    75,681.63/104,441.40 = 41,690.25/x
  3. Step 3: Cross multiply
    75,681.63x = 104,441.40 × 41,690.25
  4. Step 4: Simplify right side
    75,681.63x = 4,354,188,076.35
  5. Step 5: Solve for x
    x = 4,354,188,076.35/75,681.63
  6. Step 6: Final answer
    x = 57,532.96

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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.