Home / 68,928.50-103,392.36-26,837.86

Finding the Fourth Proportional to 68,928.50, 103,392.36 and 26,837.86

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Solution

The fourth proportional to 68,928.50, 103,392.36 and 26,837.86 is: 40,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928.50 : 103,392.36 = 26,837.86 : x
  2. Step 2: Convert to fraction form
    68,928.50/103,392.36 = 26,837.86/x
  3. Step 3: Cross multiply
    68,928.50x = 103,392.36 × 26,837.86
  4. Step 4: Simplify right side
    68,928.50x = 2,774,829,424.27
  5. Step 5: Solve for x
    x = 2,774,829,424.27/68,928.50
  6. Step 6: Final answer
    x = 40,256.64

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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.