Home / 47,555.64-71,328.06-12,498.03

Finding the Fourth Proportional to 47,555.64, 71,328.06 and 12,498.03

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Solution

The fourth proportional to 47,555.64, 71,328.06 and 12,498.03 is: 18,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.64 : 71,328.06 = 12,498.03 : x
  2. Step 2: Convert to fraction form
    47,555.64/71,328.06 = 12,498.03/x
  3. Step 3: Cross multiply
    47,555.64x = 71,328.06 × 12,498.03
  4. Step 4: Simplify right side
    47,555.64x = 891,460,233.72
  5. Step 5: Solve for x
    x = 891,460,233.72/47,555.64
  6. Step 6: Final answer
    x = 18,745.63

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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.