Home / 116,923.68-161,315.28-66,587.04

Finding the Fourth Proportional to 116,923.68, 161,315.28 and 66,587.04

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Solution

The fourth proportional to 116,923.68, 161,315.28 and 66,587.04 is: 91,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,923.68 : 161,315.28 = 66,587.04 : x
  2. Step 2: Convert to fraction form
    116,923.68/161,315.28 = 66,587.04/x
  3. Step 3: Cross multiply
    116,923.68x = 161,315.28 × 66,587.04
  4. Step 4: Simplify right side
    116,923.68x = 10,741,507,001.97
  5. Step 5: Solve for x
    x = 10,741,507,001.97/116,923.68
  6. Step 6: Final answer
    x = 91,867.68

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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.