Home / 89,664.34-123,820.77-56,188.66

Finding the Fourth Proportional to 89,664.34, 123,820.77 and 56,188.66

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Solution

The fourth proportional to 89,664.34, 123,820.77 and 56,188.66 is: 77,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,664.34 : 123,820.77 = 56,188.66 : x
  2. Step 2: Convert to fraction form
    89,664.34/123,820.77 = 56,188.66/x
  3. Step 3: Cross multiply
    89,664.34x = 123,820.77 × 56,188.66
  4. Step 4: Simplify right side
    89,664.34x = 6,957,323,146.47
  5. Step 5: Solve for x
    x = 6,957,323,146.47/89,664.34
  6. Step 6: Final answer
    x = 77,592.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.