Home / 89,318.63-123,234.45-57,505.94

Finding the Fourth Proportional to 89,318.63, 123,234.45 and 57,505.94

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Solution

The fourth proportional to 89,318.63, 123,234.45 and 57,505.94 is: 79,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,318.63 : 123,234.45 = 57,505.94 : x
  2. Step 2: Convert to fraction form
    89,318.63/123,234.45 = 57,505.94/x
  3. Step 3: Cross multiply
    89,318.63x = 123,234.45 × 57,505.94
  4. Step 4: Simplify right side
    89,318.63x = 7,086,712,887.63
  5. Step 5: Solve for x
    x = 7,086,712,887.63/89,318.63
  6. Step 6: Final answer
    x = 79,341.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.