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Finding the Fourth Proportional to 76,570.58, 114,738.93 and 32,173.07

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Solution

The fourth proportional to 76,570.58, 114,738.93 and 32,173.07 is: 48,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,570.58 : 114,738.93 = 32,173.07 : x
  2. Step 2: Convert to fraction form
    76,570.58/114,738.93 = 32,173.07/x
  3. Step 3: Cross multiply
    76,570.58x = 114,738.93 × 32,173.07
  4. Step 4: Simplify right side
    76,570.58x = 3,691,503,052.92
  5. Step 5: Solve for x
    x = 3,691,503,052.92/76,570.58
  6. Step 6: Final answer
    x = 48,210.46

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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.