Home / 117,061.16-161,544.21-66,084.62

Finding the Fourth Proportional to 117,061.16, 161,544.21 and 66,084.62

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Solution

The fourth proportional to 117,061.16, 161,544.21 and 66,084.62 is: 91,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,061.16 : 161,544.21 = 66,084.62 : x
  2. Step 2: Convert to fraction form
    117,061.16/161,544.21 = 66,084.62/x
  3. Step 3: Cross multiply
    117,061.16x = 161,544.21 × 66,084.62
  4. Step 4: Simplify right side
    117,061.16x = 10,675,587,731.05
  5. Step 5: Solve for x
    x = 10,675,587,731.05/117,061.16
  6. Step 6: Final answer
    x = 91,196.67

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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.