Home / 84,495.64-116,615-48,687.16

Finding the Fourth Proportional to 84,495.64, 116,615 and 48,687.16

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Solution

The fourth proportional to 84,495.64, 116,615 and 48,687.16 is: 67,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,495.64 : 116,615 = 48,687.16 : x
  2. Step 2: Convert to fraction form
    84,495.64/116,615 = 48,687.16/x
  3. Step 3: Cross multiply
    84,495.64x = 116,615 × 48,687.16
  4. Step 4: Simplify right side
    84,495.64x = 5,677,653,163.40
  5. Step 5: Solve for x
    x = 5,677,653,163.40/84,495.64
  6. Step 6: Final answer
    x = 67,194.63

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1.5x scale

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.