Home / 76,151.27-114,159.05-36,145.57

Finding the Fourth Proportional to 76,151.27, 114,159.05 and 36,145.57

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Solution

The fourth proportional to 76,151.27, 114,159.05 and 36,145.57 is: 54,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,151.27 : 114,159.05 = 36,145.57 : x
  2. Step 2: Convert to fraction form
    76,151.27/114,159.05 = 36,145.57/x
  3. Step 3: Cross multiply
    76,151.27x = 114,159.05 × 36,145.57
  4. Step 4: Simplify right side
    76,151.27x = 4,126,343,181.39
  5. Step 5: Solve for x
    x = 4,126,343,181.39/76,151.27
  6. Step 6: Final answer
    x = 54,186.14

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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.