Home / 107,402.82-148,235.30-62,074.54

Finding the Fourth Proportional to 107,402.82, 148,235.30 and 62,074.54

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Solution

The fourth proportional to 107,402.82, 148,235.30 and 62,074.54 is: 85,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,402.82 : 148,235.30 = 62,074.54 : x
  2. Step 2: Convert to fraction form
    107,402.82/148,235.30 = 62,074.54/x
  3. Step 3: Cross multiply
    107,402.82x = 148,235.30 × 62,074.54
  4. Step 4: Simplify right side
    107,402.82x = 9,201,638,059.26
  5. Step 5: Solve for x
    x = 9,201,638,059.26/107,402.82
  6. Step 6: Final answer
    x = 85,674.08

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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.