Home / 110,880.40-166,439.02-47,731.80

Finding the Fourth Proportional to 110,880.40, 166,439.02 and 47,731.80

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Solution

The fourth proportional to 110,880.40, 166,439.02 and 47,731.80 is: 71,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,880.40 : 166,439.02 = 47,731.80 : x
  2. Step 2: Convert to fraction form
    110,880.40/166,439.02 = 47,731.80/x
  3. Step 3: Cross multiply
    110,880.40x = 166,439.02 × 47,731.80
  4. Step 4: Simplify right side
    110,880.40x = 7,944,434,014.84
  5. Step 5: Solve for x
    x = 7,944,434,014.84/110,880.40
  6. Step 6: Final answer
    x = 71,648.68

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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.