Home / 107,763.28-148,710-60,015.64

Finding the Fourth Proportional to 107,763.28, 148,710 and 60,015.64

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Solution

The fourth proportional to 107,763.28, 148,710 and 60,015.64 is: 82,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,763.28 : 148,710 = 60,015.64 : x
  2. Step 2: Convert to fraction form
    107,763.28/148,710 = 60,015.64/x
  3. Step 3: Cross multiply
    107,763.28x = 148,710 × 60,015.64
  4. Step 4: Simplify right side
    107,763.28x = 8,924,925,824.40
  5. Step 5: Solve for x
    x = 8,924,925,824.40/107,763.28
  6. Step 6: Final answer
    x = 82,819.73

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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.