Home / 50,043.48-75,065.31-20,071.32

Finding the Fourth Proportional to 50,043.48, 75,065.31 and 20,071.32

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Solution

The fourth proportional to 50,043.48, 75,065.31 and 20,071.32 is: 30,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,043.48 : 75,065.31 = 20,071.32 : x
  2. Step 2: Convert to fraction form
    50,043.48/75,065.31 = 20,071.32/x
  3. Step 3: Cross multiply
    50,043.48x = 75,065.31 × 20,071.32
  4. Step 4: Simplify right side
    50,043.48x = 1,506,659,857.91
  5. Step 5: Solve for x
    x = 1,506,659,857.91/50,043.48
  6. Step 6: Final answer
    x = 30,107.02

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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.