Home / 75,386.37-104,028.54-41,394.72

Finding the Fourth Proportional to 75,386.37, 104,028.54 and 41,394.72

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Solution

The fourth proportional to 75,386.37, 104,028.54 and 41,394.72 is: 57,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,386.37 : 104,028.54 = 41,394.72 : x
  2. Step 2: Convert to fraction form
    75,386.37/104,028.54 = 41,394.72/x
  3. Step 3: Cross multiply
    75,386.37x = 104,028.54 × 41,394.72
  4. Step 4: Simplify right side
    75,386.37x = 4,306,232,520.19
  5. Step 5: Solve for x
    x = 4,306,232,520.19/75,386.37
  6. Step 6: Final answer
    x = 57,122.16

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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.