Home / 86,890.24-119,880.64-48,644.16

Finding the Fourth Proportional to 86,890.24, 119,880.64 and 48,644.16

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Solution

The fourth proportional to 86,890.24, 119,880.64 and 48,644.16 is: 67,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.24 : 119,880.64 = 48,644.16 : x
  2. Step 2: Convert to fraction form
    86,890.24/119,880.64 = 48,644.16/x
  3. Step 3: Cross multiply
    86,890.24x = 119,880.64 × 48,644.16
  4. Step 4: Simplify right side
    86,890.24x = 5,831,493,033.06
  5. Step 5: Solve for x
    x = 5,831,493,033.06/86,890.24
  6. Step 6: Final answer
    x = 67,113.33

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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.