Home / 116,945.44-161,381.04-65,973.76

Finding the Fourth Proportional to 116,945.44, 161,381.04 and 65,973.76

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Solution

The fourth proportional to 116,945.44, 161,381.04 and 65,973.76 is: 91,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945.44 : 161,381.04 = 65,973.76 : x
  2. Step 2: Convert to fraction form
    116,945.44/161,381.04 = 65,973.76/x
  3. Step 3: Cross multiply
    116,945.44x = 161,381.04 × 65,973.76
  4. Step 4: Simplify right side
    116,945.44x = 10,646,914,001.51
  5. Step 5: Solve for x
    x = 10,646,914,001.51/116,945.44
  6. Step 6: Final answer
    x = 91,041.72

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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.