Home / 66,355.64-99,533.46-19,604.87

Finding the Fourth Proportional to 66,355.64, 99,533.46 and 19,604.87

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Solution

The fourth proportional to 66,355.64, 99,533.46 and 19,604.87 is: 29,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.64 : 99,533.46 = 19,604.87 : x
  2. Step 2: Convert to fraction form
    66,355.64/99,533.46 = 19,604.87/x
  3. Step 3: Cross multiply
    66,355.64x = 99,533.46 × 19,604.87
  4. Step 4: Simplify right side
    66,355.64x = 1,951,340,543.95
  5. Step 5: Solve for x
    x = 1,951,340,543.95/66,355.64
  6. Step 6: Final answer
    x = 29,407.31

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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.