Home / 105,162.08-145,121.70-59,839.04

Finding the Fourth Proportional to 105,162.08, 145,121.70 and 59,839.04

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Solution

The fourth proportional to 105,162.08, 145,121.70 and 59,839.04 is: 82,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,162.08 : 145,121.70 = 59,839.04 : x
  2. Step 2: Convert to fraction form
    105,162.08/145,121.70 = 59,839.04/x
  3. Step 3: Cross multiply
    105,162.08x = 145,121.70 × 59,839.04
  4. Step 4: Simplify right side
    105,162.08x = 8,683,943,211.17
  5. Step 5: Solve for x
    x = 8,683,943,211.17/105,162.08
  6. Step 6: Final answer
    x = 82,576.75

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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.