Home / 104,489.10-156,653.28-51,857.76

Finding the Fourth Proportional to 104,489.10, 156,653.28 and 51,857.76

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Solution

The fourth proportional to 104,489.10, 156,653.28 and 51,857.76 is: 77,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,489.10 : 156,653.28 = 51,857.76 : x
  2. Step 2: Convert to fraction form
    104,489.10/156,653.28 = 51,857.76/x
  3. Step 3: Cross multiply
    104,489.10x = 156,653.28 × 51,857.76
  4. Step 4: Simplify right side
    104,489.10x = 8,123,688,197.45
  5. Step 5: Solve for x
    x = 8,123,688,197.45/104,489.10
  6. Step 6: Final answer
    x = 77,746.75

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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.