Home / 47,345.50-71,030.40-16,180.75

Finding the Fourth Proportional to 47,345.50, 71,030.40 and 16,180.75

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Solution

The fourth proportional to 47,345.50, 71,030.40 and 16,180.75 is: 24,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,345.50 : 71,030.40 = 16,180.75 : x
  2. Step 2: Convert to fraction form
    47,345.50/71,030.40 = 16,180.75/x
  3. Step 3: Cross multiply
    47,345.50x = 71,030.40 × 16,180.75
  4. Step 4: Simplify right side
    47,345.50x = 1,149,325,144.80
  5. Step 5: Solve for x
    x = 1,149,325,144.80/47,345.50
  6. Step 6: Final answer
    x = 24,275.28

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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.