Home / 84,134.12-116,100.90-46,407.40

Finding the Fourth Proportional to 84,134.12, 116,100.90 and 46,407.40

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Solution

The fourth proportional to 84,134.12, 116,100.90 and 46,407.40 is: 64,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,134.12 : 116,100.90 = 46,407.40 : x
  2. Step 2: Convert to fraction form
    84,134.12/116,100.90 = 46,407.40/x
  3. Step 3: Cross multiply
    84,134.12x = 116,100.90 × 46,407.40
  4. Step 4: Simplify right side
    84,134.12x = 5,387,940,906.66
  5. Step 5: Solve for x
    x = 5,387,940,906.66/84,134.12
  6. Step 6: Final answer
    x = 64,039.90

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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.