Home / 76,157.09-114,167.81-36,151.38

Finding the Fourth Proportional to 76,157.09, 114,167.81 and 36,151.38

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Solution

The fourth proportional to 76,157.09, 114,167.81 and 36,151.38 is: 54,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.09 : 114,167.81 = 36,151.38 : x
  2. Step 2: Convert to fraction form
    76,157.09/114,167.81 = 36,151.38/x
  3. Step 3: Cross multiply
    76,157.09x = 114,167.81 × 36,151.38
  4. Step 4: Simplify right side
    76,157.09x = 4,127,323,702.32
  5. Step 5: Solve for x
    x = 4,127,323,702.32/76,157.09
  6. Step 6: Final answer
    x = 54,194.88

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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.