Home / 82,816.18-114,296.66-47,017.78

Finding the Fourth Proportional to 82,816.18, 114,296.66 and 47,017.78

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Solution

The fourth proportional to 82,816.18, 114,296.66 and 47,017.78 is: 64,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.18 : 114,296.66 = 47,017.78 : x
  2. Step 2: Convert to fraction form
    82,816.18/114,296.66 = 47,017.78/x
  3. Step 3: Cross multiply
    82,816.18x = 114,296.66 × 47,017.78
  4. Step 4: Simplify right side
    82,816.18x = 5,373,975,214.61
  5. Step 5: Solve for x
    x = 5,373,975,214.61/82,816.18
  6. Step 6: Final answer
    x = 64,890.40

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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.