Home / 64,845.08-89,516.08-45,740.44

Finding the Fourth Proportional to 64,845.08, 89,516.08 and 45,740.44

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Solution

The fourth proportional to 64,845.08, 89,516.08 and 45,740.44 is: 63,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.08 : 89,516.08 = 45,740.44 : x
  2. Step 2: Convert to fraction form
    64,845.08/89,516.08 = 45,740.44/x
  3. Step 3: Cross multiply
    64,845.08x = 89,516.08 × 45,740.44
  4. Step 4: Simplify right side
    64,845.08x = 4,094,504,886.28
  5. Step 5: Solve for x
    x = 4,094,504,886.28/64,845.08
  6. Step 6: Final answer
    x = 63,142.88

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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.