Home / 103,582.20-155,458.35-53,677.56

Finding the Fourth Proportional to 103,582.20, 155,458.35 and 53,677.56

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Solution

The fourth proportional to 103,582.20, 155,458.35 and 53,677.56 is: 80,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,582.20 : 155,458.35 = 53,677.56 : x
  2. Step 2: Convert to fraction form
    103,582.20/155,458.35 = 53,677.56/x
  3. Step 3: Cross multiply
    103,582.20x = 155,458.35 × 53,677.56
  4. Step 4: Simplify right side
    103,582.20x = 8,344,624,909.63
  5. Step 5: Solve for x
    x = 8,344,624,909.63/103,582.20
  6. Step 6: Final answer
    x = 80,560.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.