Home / 89,984.41-124,176.11-49,697.31

Finding the Fourth Proportional to 89,984.41, 124,176.11 and 49,697.31

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Solution

The fourth proportional to 89,984.41, 124,176.11 and 49,697.31 is: 68,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.41 : 124,176.11 = 49,697.31 : x
  2. Step 2: Convert to fraction form
    89,984.41/124,176.11 = 49,697.31/x
  3. Step 3: Cross multiply
    89,984.41x = 124,176.11 × 49,697.31
  4. Step 4: Simplify right side
    89,984.41x = 6,171,218,633.26
  5. Step 5: Solve for x
    x = 6,171,218,633.26/89,984.41
  6. Step 6: Final answer
    x = 68,580.98

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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.