Home / 50,703.18-69,942.30-29,480.10

Finding the Fourth Proportional to 50,703.18, 69,942.30 and 29,480.10

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Solution

The fourth proportional to 50,703.18, 69,942.30 and 29,480.10 is: 40,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,703.18 : 69,942.30 = 29,480.10 : x
  2. Step 2: Convert to fraction form
    50,703.18/69,942.30 = 29,480.10/x
  3. Step 3: Cross multiply
    50,703.18x = 69,942.30 × 29,480.10
  4. Step 4: Simplify right side
    50,703.18x = 2,061,905,998.23
  5. Step 5: Solve for x
    x = 2,061,905,998.23/50,703.18
  6. Step 6: Final answer
    x = 40,666.21

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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.