Home / 77,720.14-116,551.05-25,115.50

Finding the Fourth Proportional to 77,720.14, 116,551.05 and 25,115.50

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Solution

The fourth proportional to 77,720.14, 116,551.05 and 25,115.50 is: 37,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,720.14 : 116,551.05 = 25,115.50 : x
  2. Step 2: Convert to fraction form
    77,720.14/116,551.05 = 25,115.50/x
  3. Step 3: Cross multiply
    77,720.14x = 116,551.05 × 25,115.50
  4. Step 4: Simplify right side
    77,720.14x = 2,927,237,896.28
  5. Step 5: Solve for x
    x = 2,927,237,896.28/77,720.14
  6. Step 6: Final answer
    x = 37,663.83

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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.