Home / 92,708.46-138,951.45-42,719.94

Finding the Fourth Proportional to 92,708.46, 138,951.45 and 42,719.94

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Solution

The fourth proportional to 92,708.46, 138,951.45 and 42,719.94 is: 64,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,708.46 : 138,951.45 = 42,719.94 : x
  2. Step 2: Convert to fraction form
    92,708.46/138,951.45 = 42,719.94/x
  3. Step 3: Cross multiply
    92,708.46x = 138,951.45 × 42,719.94
  4. Step 4: Simplify right side
    92,708.46x = 5,935,997,606.91
  5. Step 5: Solve for x
    x = 5,935,997,606.91/92,708.46
  6. Step 6: Final answer
    x = 64,028.65

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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.