Home / 68,404.32-102,581.88-28,964.28

Finding the Fourth Proportional to 68,404.32, 102,581.88 and 28,964.28

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Solution

The fourth proportional to 68,404.32, 102,581.88 and 28,964.28 is: 43,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,404.32 : 102,581.88 = 28,964.28 : x
  2. Step 2: Convert to fraction form
    68,404.32/102,581.88 = 28,964.28/x
  3. Step 3: Cross multiply
    68,404.32x = 102,581.88 × 28,964.28
  4. Step 4: Simplify right side
    68,404.32x = 2,971,210,295.25
  5. Step 5: Solve for x
    x = 2,971,210,295.25/68,404.32
  6. Step 6: Final answer
    x = 43,436.00

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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.