Home / 109,619.10-164,428.65-43,037.10

Finding the Fourth Proportional to 109,619.10, 164,428.65 and 43,037.10

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Solution

The fourth proportional to 109,619.10, 164,428.65 and 43,037.10 is: 64,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.10 : 164,428.65 = 43,037.10 : x
  2. Step 2: Convert to fraction form
    109,619.10/164,428.65 = 43,037.10/x
  3. Step 3: Cross multiply
    109,619.10x = 164,428.65 × 43,037.10
  4. Step 4: Simplify right side
    109,619.10x = 7,076,532,252.92
  5. Step 5: Solve for x
    x = 7,076,532,252.92/109,619.10
  6. Step 6: Final answer
    x = 64,555.65

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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.