Home / 82,532.12-113,894.78-48,542.03

Finding the Fourth Proportional to 82,532.12, 113,894.78 and 48,542.03

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Solution

The fourth proportional to 82,532.12, 113,894.78 and 48,542.03 is: 66,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,532.12 : 113,894.78 = 48,542.03 : x
  2. Step 2: Convert to fraction form
    82,532.12/113,894.78 = 48,542.03/x
  3. Step 3: Cross multiply
    82,532.12x = 113,894.78 × 48,542.03
  4. Step 4: Simplify right side
    82,532.12x = 5,528,683,827.60
  5. Step 5: Solve for x
    x = 5,528,683,827.60/82,532.12
  6. Step 6: Final answer
    x = 66,988.27

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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.