Home / 63,130.37-87,122.49-36,281.30

Finding the Fourth Proportional to 63,130.37, 87,122.49 and 36,281.30

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Solution

The fourth proportional to 63,130.37, 87,122.49 and 36,281.30 is: 50,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.37 : 87,122.49 = 36,281.30 : x
  2. Step 2: Convert to fraction form
    63,130.37/87,122.49 = 36,281.30/x
  3. Step 3: Cross multiply
    63,130.37x = 87,122.49 × 36,281.30
  4. Step 4: Simplify right side
    63,130.37x = 3,160,917,196.44
  5. Step 5: Solve for x
    x = 3,160,917,196.44/63,130.37
  6. Step 6: Final answer
    x = 50,069.68

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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.