Home / 108,330.78-162,499.55-29,446.68

Finding the Fourth Proportional to 108,330.78, 162,499.55 and 29,446.68

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Solution

The fourth proportional to 108,330.78, 162,499.55 and 29,446.68 is: 44,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,330.78 : 162,499.55 = 29,446.68 : x
  2. Step 2: Convert to fraction form
    108,330.78/162,499.55 = 29,446.68/x
  3. Step 3: Cross multiply
    108,330.78x = 162,499.55 × 29,446.68
  4. Step 4: Simplify right side
    108,330.78x = 4,785,072,101.76
  5. Step 5: Solve for x
    x = 4,785,072,101.76/108,330.78
  6. Step 6: Final answer
    x = 44,170.94

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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.