Home / 89,168.07-133,741.17-51,748.50

Finding the Fourth Proportional to 89,168.07, 133,741.17 and 51,748.50

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Solution

The fourth proportional to 89,168.07, 133,741.17 and 51,748.50 is: 77,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168.07 : 133,741.17 = 51,748.50 : x
  2. Step 2: Convert to fraction form
    89,168.07/133,741.17 = 51,748.50/x
  3. Step 3: Cross multiply
    89,168.07x = 133,741.17 × 51,748.50
  4. Step 4: Simplify right side
    89,168.07x = 6,920,904,935.75
  5. Step 5: Solve for x
    x = 6,920,904,935.75/89,168.07
  6. Step 6: Final answer
    x = 77,616.40

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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.