Home / 66,364.23-99,548.79-21,994.86

Finding the Fourth Proportional to 66,364.23, 99,548.79 and 21,994.86

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Solution

The fourth proportional to 66,364.23, 99,548.79 and 21,994.86 is: 32,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.23 : 99,548.79 = 21,994.86 : x
  2. Step 2: Convert to fraction form
    66,364.23/99,548.79 = 21,994.86/x
  3. Step 3: Cross multiply
    66,364.23x = 99,548.79 × 21,994.86
  4. Step 4: Simplify right side
    66,364.23x = 2,189,561,699.22
  5. Step 5: Solve for x
    x = 2,189,561,699.22/66,364.23
  6. Step 6: Final answer
    x = 32,993.10

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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.