Home / 63,613.61-87,642.37-49,223.96

Finding the Fourth Proportional to 63,613.61, 87,642.37 and 49,223.96

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Solution

The fourth proportional to 63,613.61, 87,642.37 and 49,223.96 is: 67,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.61 : 87,642.37 = 49,223.96 : x
  2. Step 2: Convert to fraction form
    63,613.61/87,642.37 = 49,223.96/x
  3. Step 3: Cross multiply
    63,613.61x = 87,642.37 × 49,223.96
  4. Step 4: Simplify right side
    63,613.61x = 4,314,104,515.19
  5. Step 5: Solve for x
    x = 4,314,104,515.19/63,613.61
  6. Step 6: Final answer
    x = 67,817.32

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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.