Home / 49,972.96-68,967.60-28,753.12

Finding the Fourth Proportional to 49,972.96, 68,967.60 and 28,753.12

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Solution

The fourth proportional to 49,972.96, 68,967.60 and 28,753.12 is: 39,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,972.96 : 68,967.60 = 28,753.12 : x
  2. Step 2: Convert to fraction form
    49,972.96/68,967.60 = 28,753.12/x
  3. Step 3: Cross multiply
    49,972.96x = 68,967.60 × 28,753.12
  4. Step 4: Simplify right side
    49,972.96x = 1,983,033,678.91
  5. Step 5: Solve for x
    x = 1,983,033,678.91/49,972.96
  6. Step 6: Final answer
    x = 39,682.13

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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.