Home / 64,889.43-97,333.53-20,516.19

Finding the Fourth Proportional to 64,889.43, 97,333.53 and 20,516.19

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Solution

The fourth proportional to 64,889.43, 97,333.53 and 20,516.19 is: 30,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.43 : 97,333.53 = 20,516.19 : x
  2. Step 2: Convert to fraction form
    64,889.43/97,333.53 = 20,516.19/x
  3. Step 3: Cross multiply
    64,889.43x = 97,333.53 × 20,516.19
  4. Step 4: Simplify right side
    64,889.43x = 1,996,913,194.85
  5. Step 5: Solve for x
    x = 1,996,913,194.85/64,889.43
  6. Step 6: Final answer
    x = 30,774.09

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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.