Home / 75,429.51-104,093.40-41,438.76

Finding the Fourth Proportional to 75,429.51, 104,093.40 and 41,438.76

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Solution

The fourth proportional to 75,429.51, 104,093.40 and 41,438.76 is: 57,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.51 : 104,093.40 = 41,438.76 : x
  2. Step 2: Convert to fraction form
    75,429.51/104,093.40 = 41,438.76/x
  3. Step 3: Cross multiply
    75,429.51x = 104,093.40 × 41,438.76
  4. Step 4: Simplify right side
    75,429.51x = 4,313,501,420.18
  5. Step 5: Solve for x
    x = 4,313,501,420.18/75,429.51
  6. Step 6: Final answer
    x = 57,185.86

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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.