Home / 63,569.36-87,739.66-49,744.31

Finding the Fourth Proportional to 63,569.36, 87,739.66 and 49,744.31

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Solution

The fourth proportional to 63,569.36, 87,739.66 and 49,744.31 is: 68,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,569.36 : 87,739.66 = 49,744.31 : x
  2. Step 2: Convert to fraction form
    63,569.36/87,739.66 = 49,744.31/x
  3. Step 3: Cross multiply
    63,569.36x = 87,739.66 × 49,744.31
  4. Step 4: Simplify right side
    63,569.36x = 4,364,549,325.72
  5. Step 5: Solve for x
    x = 4,364,549,325.72/63,569.36
  6. Step 6: Final answer
    x = 68,658.06

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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.