Home / 75,446.46-104,118.93-45,236.70

Finding the Fourth Proportional to 75,446.46, 104,118.93 and 45,236.70

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Solution

The fourth proportional to 75,446.46, 104,118.93 and 45,236.70 is: 62,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.46 : 104,118.93 = 45,236.70 : x
  2. Step 2: Convert to fraction form
    75,446.46/104,118.93 = 45,236.70/x
  3. Step 3: Cross multiply
    75,446.46x = 104,118.93 × 45,236.70
  4. Step 4: Simplify right side
    75,446.46x = 4,709,996,800.73
  5. Step 5: Solve for x
    x = 4,709,996,800.73/75,446.46
  6. Step 6: Final answer
    x = 62,428.33

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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.