Home / 121,937.98-182,965.30-43,089.34

Finding the Fourth Proportional to 121,937.98, 182,965.30 and 43,089.34

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Solution

The fourth proportional to 121,937.98, 182,965.30 and 43,089.34 is: 64,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937.98 : 182,965.30 = 43,089.34 : x
  2. Step 2: Convert to fraction form
    121,937.98/182,965.30 = 43,089.34/x
  3. Step 3: Cross multiply
    121,937.98x = 182,965.30 × 43,089.34
  4. Step 4: Simplify right side
    121,937.98x = 7,883,854,019.90
  5. Step 5: Solve for x
    x = 7,883,854,019.90/121,937.98
  6. Step 6: Final answer
    x = 64,654.62

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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.