Home / 63,128.34-87,113.43-34,833.96

Finding the Fourth Proportional to 63,128.34, 87,113.43 and 34,833.96

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Solution

The fourth proportional to 63,128.34, 87,113.43 and 34,833.96 is: 48,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.34 : 87,113.43 = 34,833.96 : x
  2. Step 2: Convert to fraction form
    63,128.34/87,113.43 = 34,833.96/x
  3. Step 3: Cross multiply
    63,128.34x = 87,113.43 × 34,833.96
  4. Step 4: Simplify right side
    63,128.34x = 3,034,505,736.08
  5. Step 5: Solve for x
    x = 3,034,505,736.08/63,128.34
  6. Step 6: Final answer
    x = 48,068.83

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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.