Home / 63,128.20-87,116.64-34,833.64

Finding the Fourth Proportional to 63,128.20, 87,116.64 and 34,833.64

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Solution

The fourth proportional to 63,128.20, 87,116.64 and 34,833.64 is: 48,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.20 : 87,116.64 = 34,833.64 : x
  2. Step 2: Convert to fraction form
    63,128.20/87,116.64 = 34,833.64/x
  3. Step 3: Cross multiply
    63,128.20x = 87,116.64 × 34,833.64
  4. Step 4: Simplify right side
    63,128.20x = 3,034,589,675.77
  5. Step 5: Solve for x
    x = 3,034,589,675.77/63,128.20
  6. Step 6: Final answer
    x = 48,070.27

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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.