Home / 102,224.43-141,078.51-56,900.88

Finding the Fourth Proportional to 102,224.43, 141,078.51 and 56,900.88

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Solution

The fourth proportional to 102,224.43, 141,078.51 and 56,900.88 is: 78,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.43 : 141,078.51 = 56,900.88 : x
  2. Step 2: Convert to fraction form
    102,224.43/141,078.51 = 56,900.88/x
  3. Step 3: Cross multiply
    102,224.43x = 141,078.51 × 56,900.88
  4. Step 4: Simplify right side
    102,224.43x = 8,027,491,368.09
  5. Step 5: Solve for x
    x = 8,027,491,368.09/102,224.43
  6. Step 6: Final answer
    x = 78,528.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.