Home / 70,544.20-105,795.18-28,410.76

Finding the Fourth Proportional to 70,544.20, 105,795.18 and 28,410.76

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Solution

The fourth proportional to 70,544.20, 105,795.18 and 28,410.76 is: 42,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,544.20 : 105,795.18 = 28,410.76 : x
  2. Step 2: Convert to fraction form
    70,544.20/105,795.18 = 28,410.76/x
  3. Step 3: Cross multiply
    70,544.20x = 105,795.18 × 28,410.76
  4. Step 4: Simplify right side
    70,544.20x = 3,005,721,468.14
  5. Step 5: Solve for x
    x = 3,005,721,468.14/70,544.20
  6. Step 6: Final answer
    x = 42,607.63

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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.