Home / 111,659.13-154,096.50-63,911.40

Finding the Fourth Proportional to 111,659.13, 154,096.50 and 63,911.40

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Solution

The fourth proportional to 111,659.13, 154,096.50 and 63,911.40 is: 88,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,659.13 : 154,096.50 = 63,911.40 : x
  2. Step 2: Convert to fraction form
    111,659.13/154,096.50 = 63,911.40/x
  3. Step 3: Cross multiply
    111,659.13x = 154,096.50 × 63,911.40
  4. Step 4: Simplify right side
    111,659.13x = 9,848,523,050.10
  5. Step 5: Solve for x
    x = 9,848,523,050.10/111,659.13
  6. Step 6: Final answer
    x = 88,201.68

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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.