Home / 50,726.97-76,090.50-47,644.20

Finding the Fourth Proportional to 50,726.97, 76,090.50 and 47,644.20

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Solution

The fourth proportional to 50,726.97, 76,090.50 and 47,644.20 is: 71,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,726.97 : 76,090.50 = 47,644.20 : x
  2. Step 2: Convert to fraction form
    50,726.97/76,090.50 = 47,644.20/x
  3. Step 3: Cross multiply
    50,726.97x = 76,090.50 × 47,644.20
  4. Step 4: Simplify right side
    50,726.97x = 3,625,271,000.10
  5. Step 5: Solve for x
    x = 3,625,271,000.10/50,726.97
  6. Step 6: Final answer
    x = 71,466.34

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1.5x scale

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.