Home / 64,893.15-97,349.85-20,515.68

Finding the Fourth Proportional to 64,893.15, 97,349.85 and 20,515.68

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Solution

The fourth proportional to 64,893.15, 97,349.85 and 20,515.68 is: 30,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.15 : 97,349.85 = 20,515.68 : x
  2. Step 2: Convert to fraction form
    64,893.15/97,349.85 = 20,515.68/x
  3. Step 3: Cross multiply
    64,893.15x = 97,349.85 × 20,515.68
  4. Step 4: Simplify right side
    64,893.15x = 1,997,198,370.65
  5. Step 5: Solve for x
    x = 1,997,198,370.65/64,893.15
  6. Step 6: Final answer
    x = 30,776.72

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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.