Home / 63,083.20-94,509.60-51,332.80

Finding the Fourth Proportional to 63,083.20, 94,509.60 and 51,332.80

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Solution

The fourth proportional to 63,083.20, 94,509.60 and 51,332.80 is: 76,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.20 : 94,509.60 = 51,332.80 : x
  2. Step 2: Convert to fraction form
    63,083.20/94,509.60 = 51,332.80/x
  3. Step 3: Cross multiply
    63,083.20x = 94,509.60 × 51,332.80
  4. Step 4: Simplify right side
    63,083.20x = 4,851,442,394.88
  5. Step 5: Solve for x
    x = 4,851,442,394.88/63,083.20
  6. Step 6: Final answer
    x = 76,905.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.