Home / 108,105.12-162,154.14-48,940.80

Finding the Fourth Proportional to 108,105.12, 162,154.14 and 48,940.80

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Solution

The fourth proportional to 108,105.12, 162,154.14 and 48,940.80 is: 73,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,105.12 : 162,154.14 = 48,940.80 : x
  2. Step 2: Convert to fraction form
    108,105.12/162,154.14 = 48,940.80/x
  3. Step 3: Cross multiply
    108,105.12x = 162,154.14 × 48,940.80
  4. Step 4: Simplify right side
    108,105.12x = 7,935,953,334.91
  5. Step 5: Solve for x
    x = 7,935,953,334.91/108,105.12
  6. Step 6: Final answer
    x = 73,409.60

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1.5x scale

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.