Home / 99,202.04-148,808.62-31,739.96

Finding the Fourth Proportional to 99,202.04, 148,808.62 and 31,739.96

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Solution

The fourth proportional to 99,202.04, 148,808.62 and 31,739.96 is: 47,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.04 : 148,808.62 = 31,739.96 : x
  2. Step 2: Convert to fraction form
    99,202.04/148,808.62 = 31,739.96/x
  3. Step 3: Cross multiply
    99,202.04x = 148,808.62 × 31,739.96
  4. Step 4: Simplify right side
    99,202.04x = 4,723,179,646.46
  5. Step 5: Solve for x
    x = 4,723,179,646.46/99,202.04
  6. Step 6: Final answer
    x = 47,611.72

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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.