Home / 75,929.13-104,783.01-41,938.47

Finding the Fourth Proportional to 75,929.13, 104,783.01 and 41,938.47

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Solution

The fourth proportional to 75,929.13, 104,783.01 and 41,938.47 is: 57,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,929.13 : 104,783.01 = 41,938.47 : x
  2. Step 2: Convert to fraction form
    75,929.13/104,783.01 = 41,938.47/x
  3. Step 3: Cross multiply
    75,929.13x = 104,783.01 × 41,938.47
  4. Step 4: Simplify right side
    75,929.13x = 4,394,439,121.39
  5. Step 5: Solve for x
    x = 4,394,439,121.39/75,929.13
  6. Step 6: Final answer
    x = 57,875.54

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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.