Home / 50,283.50-75,457.01-28,111.43

Finding the Fourth Proportional to 50,283.50, 75,457.01 and 28,111.43

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Solution

The fourth proportional to 50,283.50, 75,457.01 and 28,111.43 is: 42,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,283.50 : 75,457.01 = 28,111.43 : x
  2. Step 2: Convert to fraction form
    50,283.50/75,457.01 = 28,111.43/x
  3. Step 3: Cross multiply
    50,283.50x = 75,457.01 × 28,111.43
  4. Step 4: Simplify right side
    50,283.50x = 2,121,204,713.55
  5. Step 5: Solve for x
    x = 2,121,204,713.55/50,283.50
  6. Step 6: Final answer
    x = 42,184.91

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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.