Home / 108,431.59-162,686.28-48,455.04

Finding the Fourth Proportional to 108,431.59, 162,686.28 and 48,455.04

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Solution

The fourth proportional to 108,431.59, 162,686.28 and 48,455.04 is: 72,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.59 : 162,686.28 = 48,455.04 : x
  2. Step 2: Convert to fraction form
    108,431.59/162,686.28 = 48,455.04/x
  3. Step 3: Cross multiply
    108,431.59x = 162,686.28 × 48,455.04
  4. Step 4: Simplify right side
    108,431.59x = 7,882,970,204.85
  5. Step 5: Solve for x
    x = 7,882,970,204.85/108,431.59
  6. Step 6: Final answer
    x = 72,699.94

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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.