Home / 75,662.08-113,478.48-28,903.84

Finding the Fourth Proportional to 75,662.08, 113,478.48 and 28,903.84

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Solution

The fourth proportional to 75,662.08, 113,478.48 and 28,903.84 is: 43,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.08 : 113,478.48 = 28,903.84 : x
  2. Step 2: Convert to fraction form
    75,662.08/113,478.48 = 28,903.84/x
  3. Step 3: Cross multiply
    75,662.08x = 113,478.48 × 28,903.84
  4. Step 4: Simplify right side
    75,662.08x = 3,279,963,829.36
  5. Step 5: Solve for x
    x = 3,279,963,829.36/75,662.08
  6. Step 6: Final answer
    x = 43,350.17

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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.