Home / 89,088.20-122,912.80-60,744.68

Finding the Fourth Proportional to 89,088.20, 122,912.80 and 60,744.68

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Solution

The fourth proportional to 89,088.20, 122,912.80 and 60,744.68 is: 83,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.20 : 122,912.80 = 60,744.68 : x
  2. Step 2: Convert to fraction form
    89,088.20/122,912.80 = 60,744.68/x
  3. Step 3: Cross multiply
    89,088.20x = 122,912.80 × 60,744.68
  4. Step 4: Simplify right side
    89,088.20x = 7,466,298,703.90
  5. Step 5: Solve for x
    x = 7,466,298,703.90/89,088.20
  6. Step 6: Final answer
    x = 83,807.94

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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.