Home / 66,086.87-99,149.75-26,623.67

Finding the Fourth Proportional to 66,086.87, 99,149.75 and 26,623.67

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Solution

The fourth proportional to 66,086.87, 99,149.75 and 26,623.67 is: 39,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,086.87 : 99,149.75 = 26,623.67 : x
  2. Step 2: Convert to fraction form
    66,086.87/99,149.75 = 26,623.67/x
  3. Step 3: Cross multiply
    66,086.87x = 99,149.75 × 26,623.67
  4. Step 4: Simplify right side
    66,086.87x = 2,639,730,439.18
  5. Step 5: Solve for x
    x = 2,639,730,439.18/66,086.87
  6. Step 6: Final answer
    x = 39,943.34

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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.