Home / 47,845.86-71,779.71-14,570.64

Finding the Fourth Proportional to 47,845.86, 71,779.71 and 14,570.64

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Solution

The fourth proportional to 47,845.86, 71,779.71 and 14,570.64 is: 21,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,845.86 : 71,779.71 = 14,570.64 : x
  2. Step 2: Convert to fraction form
    47,845.86/71,779.71 = 14,570.64/x
  3. Step 3: Cross multiply
    47,845.86x = 71,779.71 × 14,570.64
  4. Step 4: Simplify right side
    47,845.86x = 1,045,876,313.71
  5. Step 5: Solve for x
    x = 1,045,876,313.71/47,845.86
  6. Step 6: Final answer
    x = 21,859.29

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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.