Home / 89,056.43-133,543.11-51,627.21

Finding the Fourth Proportional to 89,056.43, 133,543.11 and 51,627.21

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Solution

The fourth proportional to 89,056.43, 133,543.11 and 51,627.21 is: 77,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,056.43 : 133,543.11 = 51,627.21 : x
  2. Step 2: Convert to fraction form
    89,056.43/133,543.11 = 51,627.21/x
  3. Step 3: Cross multiply
    89,056.43x = 133,543.11 × 51,627.21
  4. Step 4: Simplify right side
    89,056.43x = 6,894,458,184.02
  5. Step 5: Solve for x
    x = 6,894,458,184.02/89,056.43
  6. Step 6: Final answer
    x = 77,416.74

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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.