Home / 82,247.80-123,429.30-52,737.40

Finding the Fourth Proportional to 82,247.80, 123,429.30 and 52,737.40

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Solution

The fourth proportional to 82,247.80, 123,429.30 and 52,737.40 is: 79,143.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.80 : 123,429.30 = 52,737.40 : x
  2. Step 2: Convert to fraction form
    82,247.80/123,429.30 = 52,737.40/x
  3. Step 3: Cross multiply
    82,247.80x = 123,429.30 × 52,737.40
  4. Step 4: Simplify right side
    82,247.80x = 6,509,340,365.82
  5. Step 5: Solve for x
    x = 6,509,340,365.82/82,247.80
  6. Step 6: Final answer
    x = 79,143.03

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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.