Home / 48,239.55-72,271.71-47,189.79

Finding the Fourth Proportional to 48,239.55, 72,271.71 and 47,189.79

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Solution

The fourth proportional to 48,239.55, 72,271.71 and 47,189.79 is: 70,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,239.55 : 72,271.71 = 47,189.79 : x
  2. Step 2: Convert to fraction form
    48,239.55/72,271.71 = 47,189.79/x
  3. Step 3: Cross multiply
    48,239.55x = 72,271.71 × 47,189.79
  4. Step 4: Simplify right side
    48,239.55x = 3,410,486,817.84
  5. Step 5: Solve for x
    x = 3,410,486,817.84/48,239.55
  6. Step 6: Final answer
    x = 70,698.98

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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.