Home / 102,096.08-140,891.08-57,383.76

Finding the Fourth Proportional to 102,096.08, 140,891.08 and 57,383.76

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Solution

The fourth proportional to 102,096.08, 140,891.08 and 57,383.76 is: 79,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,096.08 : 140,891.08 = 57,383.76 : x
  2. Step 2: Convert to fraction form
    102,096.08/140,891.08 = 57,383.76/x
  3. Step 3: Cross multiply
    102,096.08x = 140,891.08 × 57,383.76
  4. Step 4: Simplify right side
    102,096.08x = 8,084,859,920.86
  5. Step 5: Solve for x
    x = 8,084,859,920.86/102,096.08
  6. Step 6: Final answer
    x = 79,188.74

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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.