Home / 100,746.38-151,008.73-41,549.69

Finding the Fourth Proportional to 100,746.38, 151,008.73 and 41,549.69

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Solution

The fourth proportional to 100,746.38, 151,008.73 and 41,549.69 is: 62,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,746.38 : 151,008.73 = 41,549.69 : x
  2. Step 2: Convert to fraction form
    100,746.38/151,008.73 = 41,549.69/x
  3. Step 3: Cross multiply
    100,746.38x = 151,008.73 × 41,549.69
  4. Step 4: Simplify right side
    100,746.38x = 6,274,365,918.79
  5. Step 5: Solve for x
    x = 6,274,365,918.79/100,746.38
  6. Step 6: Final answer
    x = 62,278.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.