Home / 92,231.45-138,034.70-56,715.27

Finding the Fourth Proportional to 92,231.45, 138,034.70 and 56,715.27

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Solution

The fourth proportional to 92,231.45, 138,034.70 and 56,715.27 is: 84,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,231.45 : 138,034.70 = 56,715.27 : x
  2. Step 2: Convert to fraction form
    92,231.45/138,034.70 = 56,715.27/x
  3. Step 3: Cross multiply
    92,231.45x = 138,034.70 × 56,715.27
  4. Step 4: Simplify right side
    92,231.45x = 7,828,674,306.12
  5. Step 5: Solve for x
    x = 7,828,674,306.12/92,231.45
  6. Step 6: Final answer
    x = 84,880.75

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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.