Home / 66,338.10-99,233.78-60,498.81

Finding the Fourth Proportional to 66,338.10, 99,233.78 and 60,498.81

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Solution

The fourth proportional to 66,338.10, 99,233.78 and 60,498.81 is: 90,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.10 : 99,233.78 = 60,498.81 : x
  2. Step 2: Convert to fraction form
    66,338.10/99,233.78 = 60,498.81/x
  3. Step 3: Cross multiply
    66,338.10x = 99,233.78 × 60,498.81
  4. Step 4: Simplify right side
    66,338.10x = 6,003,525,299.31
  5. Step 5: Solve for x
    x = 6,003,525,299.31/66,338.10
  6. Step 6: Final answer
    x = 90,498.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.