Home / 64,834.56-96,975.36-39,813.12

Finding the Fourth Proportional to 64,834.56, 96,975.36 and 39,813.12

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Solution

The fourth proportional to 64,834.56, 96,975.36 and 39,813.12 is: 59,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,834.56 : 96,975.36 = 39,813.12 : x
  2. Step 2: Convert to fraction form
    64,834.56/96,975.36 = 39,813.12/x
  3. Step 3: Cross multiply
    64,834.56x = 96,975.36 × 39,813.12
  4. Step 4: Simplify right side
    64,834.56x = 3,860,891,644.72
  5. Step 5: Solve for x
    x = 3,860,891,644.72/64,834.56
  6. Step 6: Final answer
    x = 59,549.90

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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.