Home / 115,663.17-173,495.99-40,769.36

Finding the Fourth Proportional to 115,663.17, 173,495.99 and 40,769.36

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Solution

The fourth proportional to 115,663.17, 173,495.99 and 40,769.36 is: 61,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,663.17 : 173,495.99 = 40,769.36 : x
  2. Step 2: Convert to fraction form
    115,663.17/173,495.99 = 40,769.36/x
  3. Step 3: Cross multiply
    115,663.17x = 173,495.99 × 40,769.36
  4. Step 4: Simplify right side
    115,663.17x = 7,073,320,474.87
  5. Step 5: Solve for x
    x = 7,073,320,474.87/115,663.17
  6. Step 6: Final answer
    x = 61,154.48

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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.