Home / 104,780.69-156,920.90-60,314.02

Finding the Fourth Proportional to 104,780.69, 156,920.90 and 60,314.02

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Solution

The fourth proportional to 104,780.69, 156,920.90 and 60,314.02 is: 90,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.69 : 156,920.90 = 60,314.02 : x
  2. Step 2: Convert to fraction form
    104,780.69/156,920.90 = 60,314.02/x
  3. Step 3: Cross multiply
    104,780.69x = 156,920.90 × 60,314.02
  4. Step 4: Simplify right side
    104,780.69x = 9,464,529,607.15
  5. Step 5: Solve for x
    x = 9,464,529,607.15/104,780.69
  6. Step 6: Final answer
    x = 90,327.04

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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.