Home / 76,884.12-106,100.10-43,350.12

Finding the Fourth Proportional to 76,884.12, 106,100.10 and 43,350.12

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Solution

The fourth proportional to 76,884.12, 106,100.10 and 43,350.12 is: 59,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,884.12 : 106,100.10 = 43,350.12 : x
  2. Step 2: Convert to fraction form
    76,884.12/106,100.10 = 43,350.12/x
  3. Step 3: Cross multiply
    76,884.12x = 106,100.10 × 43,350.12
  4. Step 4: Simplify right side
    76,884.12x = 4,599,452,067.01
  5. Step 5: Solve for x
    x = 4,599,452,067.01/76,884.12
  6. Step 6: Final answer
    x = 59,823.17

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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.