Home / 100,748.81-151,090.56-33,265.68

Finding the Fourth Proportional to 100,748.81, 151,090.56 and 33,265.68

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Solution

The fourth proportional to 100,748.81, 151,090.56 and 33,265.68 is: 49,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,748.81 : 151,090.56 = 33,265.68 : x
  2. Step 2: Convert to fraction form
    100,748.81/151,090.56 = 33,265.68/x
  3. Step 3: Cross multiply
    100,748.81x = 151,090.56 × 33,265.68
  4. Step 4: Simplify right side
    100,748.81x = 5,026,130,219.98
  5. Step 5: Solve for x
    x = 5,026,130,219.98/100,748.81
  6. Step 6: Final answer
    x = 49,887.74

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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.