Home / 82,730.62-114,165.21-45,004.06

Finding the Fourth Proportional to 82,730.62, 114,165.21 and 45,004.06

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Solution

The fourth proportional to 82,730.62, 114,165.21 and 45,004.06 is: 62,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730.62 : 114,165.21 = 45,004.06 : x
  2. Step 2: Convert to fraction form
    82,730.62/114,165.21 = 45,004.06/x
  3. Step 3: Cross multiply
    82,730.62x = 114,165.21 × 45,004.06
  4. Step 4: Simplify right side
    82,730.62x = 5,137,897,960.75
  5. Step 5: Solve for x
    x = 5,137,897,960.75/82,730.62
  6. Step 6: Final answer
    x = 62,103.95

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1.5x scale

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.