Home / 66,529.10-99,793.65-45,533.90

Finding the Fourth Proportional to 66,529.10, 99,793.65 and 45,533.90

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Solution

The fourth proportional to 66,529.10, 99,793.65 and 45,533.90 is: 68,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.10 : 99,793.65 = 45,533.90 : x
  2. Step 2: Convert to fraction form
    66,529.10/99,793.65 = 45,533.90/x
  3. Step 3: Cross multiply
    66,529.10x = 99,793.65 × 45,533.90
  4. Step 4: Simplify right side
    66,529.10x = 4,543,994,079.74
  5. Step 5: Solve for x
    x = 4,543,994,079.74/66,529.10
  6. Step 6: Final answer
    x = 68,300.85

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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.