Home / 84,187.12-116,173.32-46,461.28

Finding the Fourth Proportional to 84,187.12, 116,173.32 and 46,461.28

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Solution

The fourth proportional to 84,187.12, 116,173.32 and 46,461.28 is: 64,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,187.12 : 116,173.32 = 46,461.28 : x
  2. Step 2: Convert to fraction form
    84,187.12/116,173.32 = 46,461.28/x
  3. Step 3: Cross multiply
    84,187.12x = 116,173.32 × 46,461.28
  4. Step 4: Simplify right side
    84,187.12x = 5,397,561,149.05
  5. Step 5: Solve for x
    x = 5,397,561,149.05/84,187.12
  6. Step 6: Final answer
    x = 64,113.86

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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.