Home / 82,986.04-114,520.21-47,176.05

Finding the Fourth Proportional to 82,986.04, 114,520.21 and 47,176.05

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Solution

The fourth proportional to 82,986.04, 114,520.21 and 47,176.05 is: 65,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.04 : 114,520.21 = 47,176.05 : x
  2. Step 2: Convert to fraction form
    82,986.04/114,520.21 = 47,176.05/x
  3. Step 3: Cross multiply
    82,986.04x = 114,520.21 × 47,176.05
  4. Step 4: Simplify right side
    82,986.04x = 5,402,611,152.97
  5. Step 5: Solve for x
    x = 5,402,611,152.97/82,986.04
  6. Step 6: Final answer
    x = 65,102.65

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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.