Home / 117,523.12-162,101.72-75,062.64

Finding the Fourth Proportional to 117,523.12, 162,101.72 and 75,062.64

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Solution

The fourth proportional to 117,523.12, 162,101.72 and 75,062.64 is: 103,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,523.12 : 162,101.72 = 75,062.64 : x
  2. Step 2: Convert to fraction form
    117,523.12/162,101.72 = 75,062.64/x
  3. Step 3: Cross multiply
    117,523.12x = 162,101.72 × 75,062.64
  4. Step 4: Simplify right side
    117,523.12x = 12,167,783,051.74
  5. Step 5: Solve for x
    x = 12,167,783,051.74/117,523.12
  6. Step 6: Final answer
    x = 103,535.23

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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.