Home / 75,636.18-104,380.47-41,646.38

Finding the Fourth Proportional to 75,636.18, 104,380.47 and 41,646.38

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Solution

The fourth proportional to 75,636.18, 104,380.47 and 41,646.38 is: 57,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,636.18 : 104,380.47 = 41,646.38 : x
  2. Step 2: Convert to fraction form
    75,636.18/104,380.47 = 41,646.38/x
  3. Step 3: Cross multiply
    75,636.18x = 104,380.47 × 41,646.38
  4. Step 4: Simplify right side
    75,636.18x = 4,347,068,196.30
  5. Step 5: Solve for x
    x = 4,347,068,196.30/75,636.18
  6. Step 6: Final answer
    x = 57,473.40

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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.