Home / 84,165.12-116,142.96-46,439.28

Finding the Fourth Proportional to 84,165.12, 116,142.96 and 46,439.28

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Solution

The fourth proportional to 84,165.12, 116,142.96 and 46,439.28 is: 64,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.12 : 116,142.96 = 46,439.28 : x
  2. Step 2: Convert to fraction form
    84,165.12/116,142.96 = 46,439.28/x
  3. Step 3: Cross multiply
    84,165.12x = 116,142.96 × 46,439.28
  4. Step 4: Simplify right side
    84,165.12x = 5,393,595,439.47
  5. Step 5: Solve for x
    x = 5,393,595,439.47/84,165.12
  6. Step 6: Final answer
    x = 64,083.50

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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.