Home / 48,504.08-66,934.64-28,372.88

Finding the Fourth Proportional to 48,504.08, 66,934.64 and 28,372.88

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Solution

The fourth proportional to 48,504.08, 66,934.64 and 28,372.88 is: 39,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504.08 : 66,934.64 = 28,372.88 : x
  2. Step 2: Convert to fraction form
    48,504.08/66,934.64 = 28,372.88/x
  3. Step 3: Cross multiply
    48,504.08x = 66,934.64 × 28,372.88
  4. Step 4: Simplify right side
    48,504.08x = 1,899,128,508.56
  5. Step 5: Solve for x
    x = 1,899,128,508.56/48,504.08
  6. Step 6: Final answer
    x = 39,154.00

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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.