Home / 75,380.40-104,011.56-43,537.68

Finding the Fourth Proportional to 75,380.40, 104,011.56 and 43,537.68

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Solution

The fourth proportional to 75,380.40, 104,011.56 and 43,537.68 is: 60,074.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.40 : 104,011.56 = 43,537.68 : x
  2. Step 2: Convert to fraction form
    75,380.40/104,011.56 = 43,537.68/x
  3. Step 3: Cross multiply
    75,380.40x = 104,011.56 × 43,537.68
  4. Step 4: Simplify right side
    75,380.40x = 4,528,422,015.58
  5. Step 5: Solve for x
    x = 4,528,422,015.58/75,380.40
  6. Step 6: Final answer
    x = 60,074.26

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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.