Home / 82,913.55-114,421.08-47,105.52

Finding the Fourth Proportional to 82,913.55, 114,421.08 and 47,105.52

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Solution

The fourth proportional to 82,913.55, 114,421.08 and 47,105.52 is: 65,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.55 : 114,421.08 = 47,105.52 : x
  2. Step 2: Convert to fraction form
    82,913.55/114,421.08 = 47,105.52/x
  3. Step 3: Cross multiply
    82,913.55x = 114,421.08 × 47,105.52
  4. Step 4: Simplify right side
    82,913.55x = 5,389,864,472.36
  5. Step 5: Solve for x
    x = 5,389,864,472.36/82,913.55
  6. Step 6: Final answer
    x = 65,005.83

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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.