Home / 82,002.20-123,003.30-46,945.40

Finding the Fourth Proportional to 82,002.20, 123,003.30 and 46,945.40

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Solution

The fourth proportional to 82,002.20, 123,003.30 and 46,945.40 is: 70,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,002.20 : 123,003.30 = 46,945.40 : x
  2. Step 2: Convert to fraction form
    82,002.20/123,003.30 = 46,945.40/x
  3. Step 3: Cross multiply
    82,002.20x = 123,003.30 × 46,945.40
  4. Step 4: Simplify right side
    82,002.20x = 5,774,439,119.82
  5. Step 5: Solve for x
    x = 5,774,439,119.82/82,002.20
  6. Step 6: Final answer
    x = 70,418.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.