Home / 43,539.12-60,066.72-28,426.96

Finding the Fourth Proportional to 43,539.12, 60,066.72 and 28,426.96

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Solution

The fourth proportional to 43,539.12, 60,066.72 and 28,426.96 is: 39,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,539.12 : 60,066.72 = 28,426.96 : x
  2. Step 2: Convert to fraction form
    43,539.12/60,066.72 = 28,426.96/x
  3. Step 3: Cross multiply
    43,539.12x = 60,066.72 × 28,426.96
  4. Step 4: Simplify right side
    43,539.12x = 1,707,514,246.77
  5. Step 5: Solve for x
    x = 1,707,514,246.77/43,539.12
  6. Step 6: Final answer
    x = 39,217.93

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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.