Home / 73,925.12-110,894.88-69,939.20

Finding the Fourth Proportional to 73,925.12, 110,894.88 and 69,939.20

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Solution

The fourth proportional to 73,925.12, 110,894.88 and 69,939.20 is: 104,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,925.12 : 110,894.88 = 69,939.20 : x
  2. Step 2: Convert to fraction form
    73,925.12/110,894.88 = 69,939.20/x
  3. Step 3: Cross multiply
    73,925.12x = 110,894.88 × 69,939.20
  4. Step 4: Simplify right side
    73,925.12x = 7,755,899,191.30
  5. Step 5: Solve for x
    x = 7,755,899,191.30/73,925.12
  6. Step 6: Final answer
    x = 104,915.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.