Home / 116,780.08-161,105.32-71,460.24

Finding the Fourth Proportional to 116,780.08, 161,105.32 and 71,460.24

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Solution

The fourth proportional to 116,780.08, 161,105.32 and 71,460.24 is: 98,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,780.08 : 161,105.32 = 71,460.24 : x
  2. Step 2: Convert to fraction form
    116,780.08/161,105.32 = 71,460.24/x
  3. Step 3: Cross multiply
    116,780.08x = 161,105.32 × 71,460.24
  4. Step 4: Simplify right side
    116,780.08x = 11,512,624,832.48
  5. Step 5: Solve for x
    x = 11,512,624,832.48/116,780.08
  6. Step 6: Final answer
    x = 98,583.81

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1.5x scale

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.