Home / 47,543.82-71,315.73-12,483.42

Finding the Fourth Proportional to 47,543.82, 71,315.73 and 12,483.42

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Solution

The fourth proportional to 47,543.82, 71,315.73 and 12,483.42 is: 18,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,543.82 : 71,315.73 = 12,483.42 : x
  2. Step 2: Convert to fraction form
    47,543.82/71,315.73 = 12,483.42/x
  3. Step 3: Cross multiply
    47,543.82x = 71,315.73 × 12,483.42
  4. Step 4: Simplify right side
    47,543.82x = 890,264,210.20
  5. Step 5: Solve for x
    x = 890,264,210.20/47,543.82
  6. Step 6: Final answer
    x = 18,725.13

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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.