Home / 75,376.40-104,019.62-41,387.08

Finding the Fourth Proportional to 75,376.40, 104,019.62 and 41,387.08

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Solution

The fourth proportional to 75,376.40, 104,019.62 and 41,387.08 is: 57,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,376.40 : 104,019.62 = 41,387.08 : x
  2. Step 2: Convert to fraction form
    75,376.40/104,019.62 = 41,387.08/x
  3. Step 3: Cross multiply
    75,376.40x = 104,019.62 × 41,387.08
  4. Step 4: Simplify right side
    75,376.40x = 4,305,068,334.51
  5. Step 5: Solve for x
    x = 4,305,068,334.51/75,376.40
  6. Step 6: Final answer
    x = 57,114.27

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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.