Home / 55,109.15-76,051.88-29,958.65

Finding the Fourth Proportional to 55,109.15, 76,051.88 and 29,958.65

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Solution

The fourth proportional to 55,109.15, 76,051.88 and 29,958.65 is: 41,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.15 : 76,051.88 = 29,958.65 : x
  2. Step 2: Convert to fraction form
    55,109.15/76,051.88 = 29,958.65/x
  3. Step 3: Cross multiply
    55,109.15x = 76,051.88 × 29,958.65
  4. Step 4: Simplify right side
    55,109.15x = 2,278,411,654.76
  5. Step 5: Solve for x
    x = 2,278,411,654.76/55,109.15
  6. Step 6: Final answer
    x = 41,343.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.