Home / 63,172.50-94,759.20-43,391.10

Finding the Fourth Proportional to 63,172.50, 94,759.20 and 43,391.10

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Solution

The fourth proportional to 63,172.50, 94,759.20 and 43,391.10 is: 65,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.50 : 94,759.20 = 43,391.10 : x
  2. Step 2: Convert to fraction form
    63,172.50/94,759.20 = 43,391.10/x
  3. Step 3: Cross multiply
    63,172.50x = 94,759.20 × 43,391.10
  4. Step 4: Simplify right side
    63,172.50x = 4,111,705,923.12
  5. Step 5: Solve for x
    x = 4,111,705,923.12/63,172.50
  6. Step 6: Final answer
    x = 65,086.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.