Home / 70,392.02-105,503.58-49,216.60

Finding the Fourth Proportional to 70,392.02, 105,503.58 and 49,216.60

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Solution

The fourth proportional to 70,392.02, 105,503.58 and 49,216.60 is: 73,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,392.02 : 105,503.58 = 49,216.60 : x
  2. Step 2: Convert to fraction form
    70,392.02/105,503.58 = 49,216.60/x
  3. Step 3: Cross multiply
    70,392.02x = 105,503.58 × 49,216.60
  4. Step 4: Simplify right side
    70,392.02x = 5,192,527,231.67
  5. Step 5: Solve for x
    x = 5,192,527,231.67/70,392.02
  6. Step 6: Final answer
    x = 73,765.85

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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.