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Finding the Fourth Proportional to 94,249.76, 130,064.76 and 51,811.08

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Solution

The fourth proportional to 94,249.76, 130,064.76 and 51,811.08 is: 71,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,249.76 : 130,064.76 = 51,811.08 : x
  2. Step 2: Convert to fraction form
    94,249.76/130,064.76 = 51,811.08/x
  3. Step 3: Cross multiply
    94,249.76x = 130,064.76 × 51,811.08
  4. Step 4: Simplify right side
    94,249.76x = 6,738,795,685.54
  5. Step 5: Solve for x
    x = 6,738,795,685.54/94,249.76
  6. Step 6: Final answer
    x = 71,499.34

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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.