Home / 105,798.56-158,490.14-61,331.85

Finding the Fourth Proportional to 105,798.56, 158,490.14 and 61,331.85

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Solution

The fourth proportional to 105,798.56, 158,490.14 and 61,331.85 is: 91,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,798.56 : 158,490.14 = 61,331.85 : x
  2. Step 2: Convert to fraction form
    105,798.56/158,490.14 = 61,331.85/x
  3. Step 3: Cross multiply
    105,798.56x = 158,490.14 × 61,331.85
  4. Step 4: Simplify right side
    105,798.56x = 9,720,493,186.30
  5. Step 5: Solve for x
    x = 9,720,493,186.30/105,798.56
  6. Step 6: Final answer
    x = 91,877.37

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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.