Home / 54,056.61-81,086.40-14,613.66

Finding the Fourth Proportional to 54,056.61, 81,086.40 and 14,613.66

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Solution

The fourth proportional to 54,056.61, 81,086.40 and 14,613.66 is: 21,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.61 : 81,086.40 = 14,613.66 : x
  2. Step 2: Convert to fraction form
    54,056.61/81,086.40 = 14,613.66/x
  3. Step 3: Cross multiply
    54,056.61x = 81,086.40 × 14,613.66
  4. Step 4: Simplify right side
    54,056.61x = 1,184,969,080.22
  5. Step 5: Solve for x
    x = 1,184,969,080.22/54,056.61
  6. Step 6: Final answer
    x = 21,920.89

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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.