Home / 64,889.08-97,286.87-39,877.43

Finding the Fourth Proportional to 64,889.08, 97,286.87 and 39,877.43

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Solution

The fourth proportional to 64,889.08, 97,286.87 and 39,877.43 is: 59,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.08 : 97,286.87 = 39,877.43 : x
  2. Step 2: Convert to fraction form
    64,889.08/97,286.87 = 39,877.43/x
  3. Step 3: Cross multiply
    64,889.08x = 97,286.87 × 39,877.43
  4. Step 4: Simplify right side
    64,889.08x = 3,879,549,861.91
  5. Step 5: Solve for x
    x = 3,879,549,861.91/64,889.08
  6. Step 6: Final answer
    x = 59,787.41

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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.