Home / 66,154.50-99,233.37-16,906.50

Finding the Fourth Proportional to 66,154.50, 99,233.37 and 16,906.50

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Solution

The fourth proportional to 66,154.50, 99,233.37 and 16,906.50 is: 25,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.50 : 99,233.37 = 16,906.50 : x
  2. Step 2: Convert to fraction form
    66,154.50/99,233.37 = 16,906.50/x
  3. Step 3: Cross multiply
    66,154.50x = 99,233.37 × 16,906.50
  4. Step 4: Simplify right side
    66,154.50x = 1,677,688,969.91
  5. Step 5: Solve for x
    x = 1,677,688,969.91/66,154.50
  6. Step 6: Final answer
    x = 25,360.16

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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.