Home / 75,638.28-104,379.98-41,646.08

Finding the Fourth Proportional to 75,638.28, 104,379.98 and 41,646.08

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Solution

The fourth proportional to 75,638.28, 104,379.98 and 41,646.08 is: 57,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.28 : 104,379.98 = 41,646.08 : x
  2. Step 2: Convert to fraction form
    75,638.28/104,379.98 = 41,646.08/x
  3. Step 3: Cross multiply
    75,638.28x = 104,379.98 × 41,646.08
  4. Step 4: Simplify right side
    75,638.28x = 4,347,016,267.35
  5. Step 5: Solve for x
    x = 4,347,016,267.35/75,638.28
  6. Step 6: Final answer
    x = 57,471.11

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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.