Home / 56,724.05-85,096.20-19,282.15

Finding the Fourth Proportional to 56,724.05, 85,096.20 and 19,282.15

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Solution

The fourth proportional to 56,724.05, 85,096.20 and 19,282.15 is: 28,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.05 : 85,096.20 = 19,282.15 : x
  2. Step 2: Convert to fraction form
    56,724.05/85,096.20 = 19,282.15/x
  3. Step 3: Cross multiply
    56,724.05x = 85,096.20 × 19,282.15
  4. Step 4: Simplify right side
    56,724.05x = 1,640,837,871.51
  5. Step 5: Solve for x
    x = 1,640,837,871.51/56,724.05
  6. Step 6: Final answer
    x = 28,926.67

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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.