Home / 89,098.11-122,955.03-48,811.82

Finding the Fourth Proportional to 89,098.11, 122,955.03 and 48,811.82

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Solution

The fourth proportional to 89,098.11, 122,955.03 and 48,811.82 is: 67,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.11 : 122,955.03 = 48,811.82 : x
  2. Step 2: Convert to fraction form
    89,098.11/122,955.03 = 48,811.82/x
  3. Step 3: Cross multiply
    89,098.11x = 122,955.03 × 48,811.82
  4. Step 4: Simplify right side
    89,098.11x = 6,001,658,177.68
  5. Step 5: Solve for x
    x = 6,001,658,177.68/89,098.11
  6. Step 6: Final answer
    x = 67,360.11

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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.