Home / 63,128.76-87,125.99-43,996.15

Finding the Fourth Proportional to 63,128.76, 87,125.99 and 43,996.15

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Solution

The fourth proportional to 63,128.76, 87,125.99 and 43,996.15 is: 60,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.76 : 87,125.99 = 43,996.15 : x
  2. Step 2: Convert to fraction form
    63,128.76/87,125.99 = 43,996.15/x
  3. Step 3: Cross multiply
    63,128.76x = 87,125.99 × 43,996.15
  4. Step 4: Simplify right side
    63,128.76x = 3,833,208,124.94
  5. Step 5: Solve for x
    x = 3,833,208,124.94/63,128.76
  6. Step 6: Final answer
    x = 60,720.47

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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.