Home / 64,115.10-96,172.72-16,730.16

Finding the Fourth Proportional to 64,115.10, 96,172.72 and 16,730.16

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Solution

The fourth proportional to 64,115.10, 96,172.72 and 16,730.16 is: 25,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.10 : 96,172.72 = 16,730.16 : x
  2. Step 2: Convert to fraction form
    64,115.10/96,172.72 = 16,730.16/x
  3. Step 3: Cross multiply
    64,115.10x = 96,172.72 × 16,730.16
  4. Step 4: Simplify right side
    64,115.10x = 1,608,984,617.25
  5. Step 5: Solve for x
    x = 1,608,984,617.25/64,115.10
  6. Step 6: Final answer
    x = 25,095.25

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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.