Home / 54,889.28-75,719.45-36,740.76

Finding the Fourth Proportional to 54,889.28, 75,719.45 and 36,740.76

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Solution

The fourth proportional to 54,889.28, 75,719.45 and 36,740.76 is: 50,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.28 : 75,719.45 = 36,740.76 : x
  2. Step 2: Convert to fraction form
    54,889.28/75,719.45 = 36,740.76/x
  3. Step 3: Cross multiply
    54,889.28x = 75,719.45 × 36,740.76
  4. Step 4: Simplify right side
    54,889.28x = 2,781,990,231.63
  5. Step 5: Solve for x
    x = 2,781,990,231.63/54,889.28
  6. Step 6: Final answer
    x = 50,683.67

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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.