Home / 107,667.48-148,427.14-75,737.28

Finding the Fourth Proportional to 107,667.48, 148,427.14 and 75,737.28

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Solution

The fourth proportional to 107,667.48, 148,427.14 and 75,737.28 is: 104,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,667.48 : 148,427.14 = 75,737.28 : x
  2. Step 2: Convert to fraction form
    107,667.48/148,427.14 = 75,737.28/x
  3. Step 3: Cross multiply
    107,667.48x = 148,427.14 × 75,737.28
  4. Step 4: Simplify right side
    107,667.48x = 11,241,467,861.78
  5. Step 5: Solve for x
    x = 11,241,467,861.78/107,667.48
  6. Step 6: Final answer
    x = 104,409.13

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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.