Home / 107,419.20-148,235.28-59,021.04

Finding the Fourth Proportional to 107,419.20, 148,235.28 and 59,021.04

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Solution

The fourth proportional to 107,419.20, 148,235.28 and 59,021.04 is: 81,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,419.20 : 148,235.28 = 59,021.04 : x
  2. Step 2: Convert to fraction form
    107,419.20/148,235.28 = 59,021.04/x
  3. Step 3: Cross multiply
    107,419.20x = 148,235.28 × 59,021.04
  4. Step 4: Simplify right side
    107,419.20x = 8,749,000,390.29
  5. Step 5: Solve for x
    x = 8,749,000,390.29/107,419.20
  6. Step 6: Final answer
    x = 81,447.27

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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.