Home / 63,569.26-87,742.59-39,681.55

Finding the Fourth Proportional to 63,569.26, 87,742.59 and 39,681.55

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Solution

The fourth proportional to 63,569.26, 87,742.59 and 39,681.55 is: 54,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,569.26 : 87,742.59 = 39,681.55 : x
  2. Step 2: Convert to fraction form
    63,569.26/87,742.59 = 39,681.55/x
  3. Step 3: Cross multiply
    63,569.26x = 87,742.59 × 39,681.55
  4. Step 4: Simplify right side
    63,569.26x = 3,481,761,972.21
  5. Step 5: Solve for x
    x = 3,481,761,972.21/63,569.26
  6. Step 6: Final answer
    x = 54,771.16

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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.