Home / 61,134.36-91,789.08-45,387.96

Finding the Fourth Proportional to 61,134.36, 91,789.08 and 45,387.96

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Solution

The fourth proportional to 61,134.36, 91,789.08 and 45,387.96 is: 68,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.36 : 91,789.08 = 45,387.96 : x
  2. Step 2: Convert to fraction form
    61,134.36/91,789.08 = 45,387.96/x
  3. Step 3: Cross multiply
    61,134.36x = 91,789.08 × 45,387.96
  4. Step 4: Simplify right side
    61,134.36x = 4,166,119,091.48
  5. Step 5: Solve for x
    x = 4,166,119,091.48/61,134.36
  6. Step 6: Final answer
    x = 68,146.93

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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.