Home / 92,234.56-138,039.37-56,718.38

Finding the Fourth Proportional to 92,234.56, 138,039.37 and 56,718.38

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Solution

The fourth proportional to 92,234.56, 138,039.37 and 56,718.38 is: 84,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,234.56 : 138,039.37 = 56,718.38 : x
  2. Step 2: Convert to fraction form
    92,234.56/138,039.37 = 56,718.38/x
  3. Step 3: Cross multiply
    92,234.56x = 138,039.37 × 56,718.38
  4. Step 4: Simplify right side
    92,234.56x = 7,829,368,468.83
  5. Step 5: Solve for x
    x = 7,829,368,468.83/92,234.56
  6. Step 6: Final answer
    x = 84,885.41

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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.