Home / 89,208.64-133,818.08-26,872.64

Finding the Fourth Proportional to 89,208.64, 133,818.08 and 26,872.64

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Solution

The fourth proportional to 89,208.64, 133,818.08 and 26,872.64 is: 40,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.64 : 133,818.08 = 26,872.64 : x
  2. Step 2: Convert to fraction form
    89,208.64/133,818.08 = 26,872.64/x
  3. Step 3: Cross multiply
    89,208.64x = 133,818.08 × 26,872.64
  4. Step 4: Simplify right side
    89,208.64x = 3,596,045,089.33
  5. Step 5: Solve for x
    x = 3,596,045,089.33/89,208.64
  6. Step 6: Final answer
    x = 40,310.50

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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.