Home / 79,820.92-119,748.86-23,665.40

Finding the Fourth Proportional to 79,820.92, 119,748.86 and 23,665.40

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Solution

The fourth proportional to 79,820.92, 119,748.86 and 23,665.40 is: 35,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820.92 : 119,748.86 = 23,665.40 : x
  2. Step 2: Convert to fraction form
    79,820.92/119,748.86 = 23,665.40/x
  3. Step 3: Cross multiply
    79,820.92x = 119,748.86 × 23,665.40
  4. Step 4: Simplify right side
    79,820.92x = 2,833,904,671.44
  5. Step 5: Solve for x
    x = 2,833,904,671.44/79,820.92
  6. Step 6: Final answer
    x = 35,503.28

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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.