Home / 116,724.96-161,146.80-77,096.16

Finding the Fourth Proportional to 116,724.96, 161,146.80 and 77,096.16

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Solution

The fourth proportional to 116,724.96, 161,146.80 and 77,096.16 is: 106,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,724.96 : 161,146.80 = 77,096.16 : x
  2. Step 2: Convert to fraction form
    116,724.96/161,146.80 = 77,096.16/x
  3. Step 3: Cross multiply
    116,724.96x = 161,146.80 × 77,096.16
  4. Step 4: Simplify right side
    116,724.96x = 12,423,799,476.29
  5. Step 5: Solve for x
    x = 12,423,799,476.29/116,724.96
  6. Step 6: Final answer
    x = 106,436.53

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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.