Home / 111,586.38-154,015.76-63,867.26

Finding the Fourth Proportional to 111,586.38, 154,015.76 and 63,867.26

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Solution

The fourth proportional to 111,586.38, 154,015.76 and 63,867.26 is: 88,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,586.38 : 154,015.76 = 63,867.26 : x
  2. Step 2: Convert to fraction form
    111,586.38/154,015.76 = 63,867.26/x
  3. Step 3: Cross multiply
    111,586.38x = 154,015.76 × 63,867.26
  4. Step 4: Simplify right side
    111,586.38x = 9,836,564,588.02
  5. Step 5: Solve for x
    x = 9,836,564,588.02/111,586.38
  6. Step 6: Final answer
    x = 88,152.02

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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.