Home / 82,015.04-123,061.44-48,800.72

Finding the Fourth Proportional to 82,015.04, 123,061.44 and 48,800.72

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Solution

The fourth proportional to 82,015.04, 123,061.44 and 48,800.72 is: 73,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,015.04 : 123,061.44 = 48,800.72 : x
  2. Step 2: Convert to fraction form
    82,015.04/123,061.44 = 48,800.72/x
  3. Step 3: Cross multiply
    82,015.04x = 123,061.44 × 48,800.72
  4. Step 4: Simplify right side
    82,015.04x = 6,005,486,876.24
  5. Step 5: Solve for x
    x = 6,005,486,876.24/82,015.04
  6. Step 6: Final answer
    x = 73,224.21

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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.