Home / 108,666.86-163,045.15-47,845.89

Finding the Fourth Proportional to 108,666.86, 163,045.15 and 47,845.89

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Solution

The fourth proportional to 108,666.86, 163,045.15 and 47,845.89 is: 71,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666.86 : 163,045.15 = 47,845.89 : x
  2. Step 2: Convert to fraction form
    108,666.86/163,045.15 = 47,845.89/x
  3. Step 3: Cross multiply
    108,666.86x = 163,045.15 × 47,845.89
  4. Step 4: Simplify right side
    108,666.86x = 7,801,040,192.32
  5. Step 5: Solve for x
    x = 7,801,040,192.32/108,666.86
  6. Step 6: Final answer
    x = 71,788.59

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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.