Home / 50,645.43-75,870.54-28,391.22

Finding the Fourth Proportional to 50,645.43, 75,870.54 and 28,391.22

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Solution

The fourth proportional to 50,645.43, 75,870.54 and 28,391.22 is: 42,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,645.43 : 75,870.54 = 28,391.22 : x
  2. Step 2: Convert to fraction form
    50,645.43/75,870.54 = 28,391.22/x
  3. Step 3: Cross multiply
    50,645.43x = 75,870.54 × 28,391.22
  4. Step 4: Simplify right side
    50,645.43x = 2,154,057,192.66
  5. Step 5: Solve for x
    x = 2,154,057,192.66/50,645.43
  6. Step 6: Final answer
    x = 42,532.11

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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.