Home / 107,666.48-148,425.76-75,736.28

Finding the Fourth Proportional to 107,666.48, 148,425.76 and 75,736.28

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Solution

The fourth proportional to 107,666.48, 148,425.76 and 75,736.28 is: 104,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,666.48 : 148,425.76 = 75,736.28 : x
  2. Step 2: Convert to fraction form
    107,666.48/148,425.76 = 75,736.28/x
  3. Step 3: Cross multiply
    107,666.48x = 148,425.76 × 75,736.28
  4. Step 4: Simplify right side
    107,666.48x = 11,241,214,918.57
  5. Step 5: Solve for x
    x = 11,241,214,918.57/107,666.48
  6. Step 6: Final answer
    x = 104,407.75

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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.