Home / 108,106.12-162,155.64-48,941.80

Finding the Fourth Proportional to 108,106.12, 162,155.64 and 48,941.80

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Solution

The fourth proportional to 108,106.12, 162,155.64 and 48,941.80 is: 73,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106.12 : 162,155.64 = 48,941.80 : x
  2. Step 2: Convert to fraction form
    108,106.12/162,155.64 = 48,941.80/x
  3. Step 3: Cross multiply
    108,106.12x = 162,155.64 × 48,941.80
  4. Step 4: Simplify right side
    108,106.12x = 7,936,188,901.75
  5. Step 5: Solve for x
    x = 7,936,188,901.75/108,106.12
  6. Step 6: Final answer
    x = 73,411.10

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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.