Home / 43,062.86-64,590.11-13,077.36

Finding the Fourth Proportional to 43,062.86, 64,590.11 and 13,077.36

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Solution

The fourth proportional to 43,062.86, 64,590.11 and 13,077.36 is: 19,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.86 : 64,590.11 = 13,077.36 : x
  2. Step 2: Convert to fraction form
    43,062.86/64,590.11 = 13,077.36/x
  3. Step 3: Cross multiply
    43,062.86x = 64,590.11 × 13,077.36
  4. Step 4: Simplify right side
    43,062.86x = 844,668,120.91
  5. Step 5: Solve for x
    x = 844,668,120.91/43,062.86
  6. Step 6: Final answer
    x = 19,614.77

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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.