Home / 76,845.75-106,066.58-43,331.19

Finding the Fourth Proportional to 76,845.75, 106,066.58 and 43,331.19

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Solution

The fourth proportional to 76,845.75, 106,066.58 and 43,331.19 is: 59,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.75 : 106,066.58 = 43,331.19 : x
  2. Step 2: Convert to fraction form
    76,845.75/106,066.58 = 43,331.19/x
  3. Step 3: Cross multiply
    76,845.75x = 106,066.58 × 43,331.19
  4. Step 4: Simplify right side
    76,845.75x = 4,595,990,913.97
  5. Step 5: Solve for x
    x = 4,595,990,913.97/76,845.75
  6. Step 6: Final answer
    x = 59,808.00

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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.