Home / 75,345.12-112,948.56-33,769.44

Finding the Fourth Proportional to 75,345.12, 112,948.56 and 33,769.44

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Solution

The fourth proportional to 75,345.12, 112,948.56 and 33,769.44 is: 50,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,345.12 : 112,948.56 = 33,769.44 : x
  2. Step 2: Convert to fraction form
    75,345.12/112,948.56 = 33,769.44/x
  3. Step 3: Cross multiply
    75,345.12x = 112,948.56 × 33,769.44
  4. Step 4: Simplify right side
    75,345.12x = 3,814,209,620.01
  5. Step 5: Solve for x
    x = 3,814,209,620.01/75,345.12
  6. Step 6: Final answer
    x = 50,623.18

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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.