Home / 50,148.16-75,214.56-13,215.04

Finding the Fourth Proportional to 50,148.16, 75,214.56 and 13,215.04

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Solution

The fourth proportional to 50,148.16, 75,214.56 and 13,215.04 is: 19,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,148.16 : 75,214.56 = 13,215.04 : x
  2. Step 2: Convert to fraction form
    50,148.16/75,214.56 = 13,215.04/x
  3. Step 3: Cross multiply
    50,148.16x = 75,214.56 × 13,215.04
  4. Step 4: Simplify right side
    50,148.16x = 993,963,418.98
  5. Step 5: Solve for x
    x = 993,963,418.98/50,148.16
  6. Step 6: Final answer
    x = 19,820.54

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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.