Home / 88,918.17-122,705.34-48,631.80

Finding the Fourth Proportional to 88,918.17, 122,705.34 and 48,631.80

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Solution

The fourth proportional to 88,918.17, 122,705.34 and 48,631.80 is: 67,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918.17 : 122,705.34 = 48,631.80 : x
  2. Step 2: Convert to fraction form
    88,918.17/122,705.34 = 48,631.80/x
  3. Step 3: Cross multiply
    88,918.17x = 122,705.34 × 48,631.80
  4. Step 4: Simplify right side
    88,918.17x = 5,967,381,553.81
  5. Step 5: Solve for x
    x = 5,967,381,553.81/88,918.17
  6. Step 6: Final answer
    x = 67,110.94

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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.