Home / 63,453.36-87,564.60-34,772.80

Finding the Fourth Proportional to 63,453.36, 87,564.60 and 34,772.80

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Solution

The fourth proportional to 63,453.36, 87,564.60 and 34,772.80 is: 47,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,453.36 : 87,564.60 = 34,772.80 : x
  2. Step 2: Convert to fraction form
    63,453.36/87,564.60 = 34,772.80/x
  3. Step 3: Cross multiply
    63,453.36x = 87,564.60 × 34,772.80
  4. Step 4: Simplify right side
    63,453.36x = 3,044,866,322.88
  5. Step 5: Solve for x
    x = 3,044,866,322.88/63,453.36
  6. Step 6: Final answer
    x = 47,985.90

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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.