Home / 47,515.86-71,267.31-12,452.58

Finding the Fourth Proportional to 47,515.86, 71,267.31 and 12,452.58

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Solution

The fourth proportional to 47,515.86, 71,267.31 and 12,452.58 is: 18,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.86 : 71,267.31 = 12,452.58 : x
  2. Step 2: Convert to fraction form
    47,515.86/71,267.31 = 12,452.58/x
  3. Step 3: Cross multiply
    47,515.86x = 71,267.31 × 12,452.58
  4. Step 4: Simplify right side
    47,515.86x = 887,461,879.16
  5. Step 5: Solve for x
    x = 887,461,879.16/47,515.86
  6. Step 6: Final answer
    x = 18,677.17

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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.