Home / 68,733.52-103,002.36-40,659.28

Finding the Fourth Proportional to 68,733.52, 103,002.36 and 40,659.28

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Solution

The fourth proportional to 68,733.52, 103,002.36 and 40,659.28 is: 60,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.52 : 103,002.36 = 40,659.28 : x
  2. Step 2: Convert to fraction form
    68,733.52/103,002.36 = 40,659.28/x
  3. Step 3: Cross multiply
    68,733.52x = 103,002.36 × 40,659.28
  4. Step 4: Simplify right side
    68,733.52x = 4,188,001,795.90
  5. Step 5: Solve for x
    x = 4,188,001,795.90/68,733.52
  6. Step 6: Final answer
    x = 60,931.00

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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.