Home / 53,019.66-79,540.58-47,726.21

Finding the Fourth Proportional to 53,019.66, 79,540.58 and 47,726.21

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Solution

The fourth proportional to 53,019.66, 79,540.58 and 47,726.21 is: 71,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.66 : 79,540.58 = 47,726.21 : x
  2. Step 2: Convert to fraction form
    53,019.66/79,540.58 = 47,726.21/x
  3. Step 3: Cross multiply
    53,019.66x = 79,540.58 × 47,726.21
  4. Step 4: Simplify right side
    53,019.66x = 3,796,170,742.77
  5. Step 5: Solve for x
    x = 3,796,170,742.77/53,019.66
  6. Step 6: Final answer
    x = 71,599.30

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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.