Home / 89,680.67-134,188.85-56,133.46

Finding the Fourth Proportional to 89,680.67, 134,188.85 and 56,133.46

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Solution

The fourth proportional to 89,680.67, 134,188.85 and 56,133.46 is: 83,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,680.67 : 134,188.85 = 56,133.46 : x
  2. Step 2: Convert to fraction form
    89,680.67/134,188.85 = 56,133.46/x
  3. Step 3: Cross multiply
    89,680.67x = 134,188.85 × 56,133.46
  4. Step 4: Simplify right side
    89,680.67x = 7,532,483,997.18
  5. Step 5: Solve for x
    x = 7,532,483,997.18/89,680.67
  6. Step 6: Final answer
    x = 83,992.28

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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.