Home / 116,760.07-161,066.64-71,460.01

Finding the Fourth Proportional to 116,760.07, 161,066.64 and 71,460.01

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Solution

The fourth proportional to 116,760.07, 161,066.64 and 71,460.01 is: 98,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,760.07 : 161,066.64 = 71,460.01 : x
  2. Step 2: Convert to fraction form
    116,760.07/161,066.64 = 71,460.01/x
  3. Step 3: Cross multiply
    116,760.07x = 161,066.64 × 71,460.01
  4. Step 4: Simplify right side
    116,760.07x = 11,509,823,705.07
  5. Step 5: Solve for x
    x = 11,509,823,705.07/116,760.07
  6. Step 6: Final answer
    x = 98,576.71

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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.