Home / 76,701.25-105,857.45-43,173.73

Finding the Fourth Proportional to 76,701.25, 105,857.45 and 43,173.73

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Solution

The fourth proportional to 76,701.25, 105,857.45 and 43,173.73 is: 59,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,701.25 : 105,857.45 = 43,173.73 : x
  2. Step 2: Convert to fraction form
    76,701.25/105,857.45 = 43,173.73/x
  3. Step 3: Cross multiply
    76,701.25x = 105,857.45 × 43,173.73
  4. Step 4: Simplify right side
    76,701.25x = 4,570,260,964.79
  5. Step 5: Solve for x
    x = 4,570,260,964.79/76,701.25
  6. Step 6: Final answer
    x = 59,585.22

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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.