Home / 89,914.59-124,073.30-49,625.76

Finding the Fourth Proportional to 89,914.59, 124,073.30 and 49,625.76

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Solution

The fourth proportional to 89,914.59, 124,073.30 and 49,625.76 is: 68,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.59 : 124,073.30 = 49,625.76 : x
  2. Step 2: Convert to fraction form
    89,914.59/124,073.30 = 49,625.76/x
  3. Step 3: Cross multiply
    89,914.59x = 124,073.30 × 49,625.76
  4. Step 4: Simplify right side
    89,914.59x = 6,157,231,808.21
  5. Step 5: Solve for x
    x = 6,157,231,808.21/89,914.59
  6. Step 6: Final answer
    x = 68,478.67

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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.