Home / 68,084.29-102,129.18-23,715.53

Finding the Fourth Proportional to 68,084.29, 102,129.18 and 23,715.53

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Solution

The fourth proportional to 68,084.29, 102,129.18 and 23,715.53 is: 35,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.29 : 102,129.18 = 23,715.53 : x
  2. Step 2: Convert to fraction form
    68,084.29/102,129.18 = 23,715.53/x
  3. Step 3: Cross multiply
    68,084.29x = 102,129.18 × 23,715.53
  4. Step 4: Simplify right side
    68,084.29x = 2,422,047,632.17
  5. Step 5: Solve for x
    x = 2,422,047,632.17/68,084.29
  6. Step 6: Final answer
    x = 35,574.25

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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.